Issued Patents

 

PAT. NO.

Title

1.

7,218,901

Automatic Frequency Control of Multiple Channels

2.

7,054,564

Open loop thermal compensation circuit that is suitable for use in burst-mode laser transmitters

3.

6,751,271

Detecting a carrier signal by using a power averaging circuit

4.

6,721,352

Method and device for detecting the presence of a carrier signal transmitted in the reverse RF path

5.

6,714,598

Burst-mode combining of reverse path radio frequency signals

6.

6,570,693

Reverse path optical combining using an optical commutator

7.

6,509,994

Burst-mode analog transmitter

8.

6,462,851

Network and method for transmitting reverse analog signals by sub-sampling the digital reverse bandwidth

9.

5,854,703

Hybrid fiber coax communications network

10.

5,505,901

CATV pay per view interdiction system method and apparatus

11.

5,467,397

Interdiction method and apparatus with variable dwell time

12.

5,463,689

Interdiction method and apparatus with random mode jamming

13.

5,436,822

Polarity reversing DC power supply for remotely located equipment

14.

5,345,504

Differential compensation control for off-premises CATV system

15.

5,309,514

Pulse generator including a memory for storing pulses for modulation on a carrier of a television signal

16.

5,303,295

Enhanced versatility of a program control by a combination of technologies

17.

5,289,541

Interdiction method and apparatus with constant blanking and variable dwell times

18.

5,287,539

Interdiction program denial system for jamming audio and video signals

19.

5,245,420

CATV pay per view interdiction system

20.

5,235,619

Cable television radio frequency subscriber data transmission apparatus and RF return method

21.

5,231,660

Compensation control for off-premises CATV system

22.

5,208,854

Picture carrier controlled automatic gain control circuit for cable television interdiction or jamming apparatus

23.

5,177,787

Scrambler with self-calibration

24.

5,155,590

System for data channel level control

25.

5,144,267

Variable slope network for off-premises CATV system

26.

5,142,575

Method and apparatus for improving video scrambling and employing split sync pulses

27.

5,142,574

Optimum amplitude and frequency of jamming carrier in interdiction program denial system

28.

5,109,286

CATV reverse path manifold system

29.

5,068,893

Television signal processing network for subscription television jamming signals

30.

5,045,816

Binary phase shift key modulator with programmable level control

31.

5,014,309

Off-premises cable television channel interdiction method and apparatus

32.

4,963,966

CATV distribution system, especially adapted for off-premises premium channel interdiction

33.

4,924,498

Method and apparatus for improving video scrambling and employing split snyc pulses

34.

4,912,760

Off-premises cable television channel interdiction method and apparatus

35.

4,748,667

Jamming signal scrambling and descrambling systems for CATV

36.

4,692,919

Communications network

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