Six channel read/write circuit with integrated damping (117.1.3), Precise call progress detector, RS 464 (278.1.1)





Precise call progress detector, RS 464 (278.1.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000001477 / 1985-06-28
Date of First Exploitation:
14Aug84
Title:
Precise call progress detector, RS 464 (278.1.1)
Copyright Note:
C.O. correspondence.
Description:
4 semiconductor chips in housings, 9 plastic overlay sheets + 1 photocopy of overlay.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
Appl. states photocopy submitted with portions blanked.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Two channel floppy disk read/write circuit (570.1.20)

Type of Work:
Mask work
Registration Number / Date:
MW0000001478 / 1985-06-28
Date of First Exploitation:
1Mar84
Title:
Two channel floppy disk read/write circuit (570.1.20)
Copyright Note:
C.O. correspondence.
Description:
4 semiconductor chips in housings, 10 plastic overlay sheets + 1 photocopy of overlay.
Other Title:
2 channel floppy disk.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
On deposit copies: 2 channel floppy disk.
Appl. states photocopy submitted with portions blanked.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

212A modem chip (262.2.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000001479 / 1985-06-28
Date of First Exploitation:
1Jun84
Title:
212A modem chip (262.2.1)
Copyright Note:
C.O. correspondence.
Description:
4 semiconductor chips, 1 plastic overlay sheet + 9 photocopies of overlays.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
Appl. states one photocopy submitted with portions blanked.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Six channel read/write circuit with integrated damping (117.1.3)

Type of Work:
Mask work
Registration Number / Date:
MW0000001480 / 1985-06-28
Date of First Exploitation:
14Jun84
Title:
Six channel read/write circuit with integrated damping (117.1.3)
Basis of Claim:
New Matter: improved version.
Copyright Note:
C.O. correspondence.
Description:
4 semiconductor chips, 11 photocopies of overlays + 1 photo.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
Appl. states one photocopy submitted with portions blanked.
Based on S S I's 117.1.2.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Read data processing (540.1.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000001481 / 1985-06-28
Date of First Exploitation:
1May84
Title:
Read data processing (540.1.1)
Copyright Note:
C.O. correspondence.
Description:
4 semiconductor chips, 10 plastic overlay sheets + 1 photocopy of overlay.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
Appl. states photocopy submitted with portions blanked.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Three phase brushless motor controller (591.2.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000001625 / 1986-04-14
Date of First Exploitation:
1Feb85
Title:
Three phase brushless motor controller (591.2.1)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 9 plastic overlay sheets + 1 plot with portions blanked.
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

212A modem chip A (filter/modulator) (261.3.2)

Type of Work:
Mask work
Registration Number / Date:
MW0000001626 / 1986-04-14
Date of First Exploitation:
1Apr85
Title:
212A modem chip A (filter/modulator) (261.3.2)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 9 plastic overlay sheets + 1 plot with portions blanked.
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Two phase brushless motor controller (267.3.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000001627 / 1986-04-14
Date of First Exploitation:
1Feb85
Title:
Two phase brushless motor controller (267.3.1)
Basis of Claim:
New Matter: additions & modifications.
Previous Registration:
Appl. states new material based on Brushless motor controller (267.1.2)
Description:
4 semiconductor chips, 9 plastic overlay sheets + 1 plot with portions blanked.
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Five volt low power subscriber DTMF receiver (202.5.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000001630 / 1986-04-14
Date of First Exploitation:
1Feb85
Title:
Five volt low power subscriber DTMF receiver (202.5.1)
Basis of Claim:
New Matter: additions & modifications.
Previous Registration:
Appl. states based on 202.3.1.
Description:
4 semiconductor chips, 7 plastic overlay sheets + 1 plot with portions blanked.
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

212A modem chip B (demodulator) (262.2.2)

Type of Work:
Mask work
Registration Number / Date:
MW0000001640 / 1986-04-29
Date of First Exploitation:
1Apr85
Title:
212A modem chip B (demodulator) (262.2.2)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 8 plastic overlay sheets, 1 photo. + 1 plot.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
Portions of plot blanked.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

9600 baud modem (660.1.4)

Type of Work:
Mask work
Registration Number / Date:
MW0000001667 / 1986-04-30
Date of First Exploitation:
18Nov84
Title:
9600 baud modem (660.1.4)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips in housings + 8 plots.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
Portions blanked on 1 plot.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

IC AFELIC

Type of Work:
Mask work
Registration Number / Date:
MW0000010036 / 1994-05-11
Title:
IC AFELIC.
Basis of Claim:
New Matter: entire mask work.
Description:
12 plots.
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

V.22 BIS analog processor (214.4.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000003573 / 1988-04-18
Date of First Exploitation:
31Jan87
Title:
V.22 BIS analog processor (214.4.1)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 10 acetate overlays + plot.
Other Title:
214.4.1
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Thinfilm R/W (6 ch) 521.3.1

Type of Work:
Mask work
Registration Number / Date:
MW0000003598 / 1988-04-19
Date of First Exploitation:
1May86
Title:
Thinfilm R/W (6 ch) 521.3.1.
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 10 acetate overlays + plot.
Other Title:
521.3.1
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

12 volt V.22/V.21 modem (221.1.3)

Type of Work:
Mask work
Registration Number / Date:
MW0000003599 / 1988-04-18
Date of First Exploitation:
31Dec86
Title:
12 volt V.22/V.21 modem (221.1.3)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 10 acetate overlays + plot.
Other Title:
221.1.3
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Partial response signal modulator--802.4 MAP (302.2.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000003604 / 1988-04-22
Date of First Exploitation:
31Jan87
Title:
Partial response signal modulator--802.4 MAP (302.2.1)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 10 plastic overlay sheets + plot.
Other Title:
802.4 MAP
302.2.1
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Thin film R/W (520.4.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000003667 / 1988-05-17
Date of First Exploitation:
1Jun86
Title:
Thin film R/W (520.4.1)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips in housings, 10 acetate overlay sheets + composite plot.
Other Title:
520.4.1
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

MF R1 receiver (207.2.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000003674 / 1988-05-16
Date of First Exploitation:
1Jun86
Title:
MF R1 receiver (207.2.1)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 10 acetate overlays + plot.
Other Title:
207.2.1
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Stepper motor (310.1.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000003675 / 1988-05-16
Date of First Exploitation:
1Jun86
Title:
Stepper motor (310.1.1)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 8 acetate overlays + plot.
Other Title:
310.1.1
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

5 volt V.22 modem (222.3.3)

Type of Work:
Mask work
Registration Number / Date:
MW0000003824 / 1988-06-27
Date of First Exploitation:
20Mar87
Title:
5 volt V.22 modem (222.3.3)
Basis of Claim:
New Matter: entire mask work.
Description:
4 semiconductor chips, 10 plastic overlay sheets + 1 plot with portions blanked.
Other Title:
222.3.3
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

T.V. descrambler (367.2.2)

Type of Work:
Mask work
Registration Number / Date:
MW0000007253 / 1991-08-12
Date of First Exploitation:
17Aug89
Title:
T.V. descrambler (367.2.2)
Basis of Claim:
New Matter: revisions & modifications.
Previous Registration:
Appl. identifies 367.2.1 as preexisting material.
Description:
4 semiconductor chips + 10 plastic overlay sheets.
Other Title:
367.2.2
367.2.1
Copyright Claimant:
Silicon Systems, Inc.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

Read data processor (541.2.1)

Type of Work:
Mask work
Registration Number / Date:
MW0000002933 / 1987-04-13
Date of First Exploitation:
30Sep85
Title:
Read data processor (541.2.1)
Basis of Claim:
New Matter: entire mask work.
Copyright Note:
C.O. correspondence.
Description:
4 semiconductor chips in housings, 10 acetate overlay sheets + plot.
Other Title:
541.2.1
SSI 541.2X3.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
On housing: SSI 541.2X3.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

K224 modem DSP code

Type of Work:
Non-dramatic literary work
Registration Number / Date:
TX0002486066 / 1988-06-20
Date of Publication:
February 23, 1988
Date of Creation:
1987
Title:
K224 modem DSP code.
Copyright Note:
C.O. correspondence.
Description:
printout.
Copyright Claimant:
Silicon Systems, Inc.
Notes:
Computer program.
Names:
Silicon Systems, Inc. (84 documents)
example document: Intermediate frequency modem/transceiver (3048.1.1)

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