GB8905521D0 - Time domain radio transmission system - Google Patents

Time domain radio transmission system

Info

Publication number
GB8905521D0
GB8905521D0 GB898905521A GB8905521A GB8905521D0 GB 8905521 D0 GB8905521 D0 GB 8905521D0 GB 898905521 A GB898905521 A GB 898905521A GB 8905521 A GB8905521 A GB 8905521A GB 8905521 D0 GB8905521 D0 GB 8905521D0
Authority
GB
United Kingdom
Prior art keywords
time domain
transmission system
radio transmission
domain radio
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB898905521A
Other versions
GB2229055A (en
GB2229055B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB8905521A priority Critical patent/GB2229055B/en
Publication of GB8905521D0 publication Critical patent/GB8905521D0/en
Publication of GB2229055A publication Critical patent/GB2229055A/en
Application granted granted Critical
Publication of GB2229055B publication Critical patent/GB2229055B/en
Priority to HK98105837A priority patent/HK1006767A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/04—Position modulation, i.e. PPM
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB8905521A 1989-03-10 1989-03-10 Time domain radio transmission system Expired - Fee Related GB2229055B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8905521A GB2229055B (en) 1989-03-10 1989-03-10 Time domain radio transmission system
HK98105837A HK1006767A1 (en) 1989-03-10 1998-06-22 Time domain radio transmission system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8905521A GB2229055B (en) 1989-03-10 1989-03-10 Time domain radio transmission system
HK98105837A HK1006767A1 (en) 1989-03-10 1998-06-22 Time domain radio transmission system

Publications (3)

Publication Number Publication Date
GB8905521D0 true GB8905521D0 (en) 1989-04-19
GB2229055A GB2229055A (en) 1990-09-12
GB2229055B GB2229055B (en) 1993-11-24

Family

ID=26295077

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8905521A Expired - Fee Related GB2229055B (en) 1989-03-10 1989-03-10 Time domain radio transmission system

Country Status (2)

Country Link
GB (1) GB2229055B (en)
HK (1) HK1006767A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5687169A (en) * 1995-04-27 1997-11-11 Time Domain Systems, Inc. Full duplex ultrawide-band communication system and method
EP0830755B1 (en) * 1995-06-07 2000-08-30 Time Domain Corporation Fast locking mechanism for channelized ultrawide-band communications
FR2893792B1 (en) * 2005-11-23 2008-02-15 Commissariat Energie Atomique ULTRA WIDEBAND TYPE SIGNAL IMPULSE RECEIVER AND ASSOCIATED METHOD
CN114760003A (en) * 2022-06-14 2022-07-15 北京密码云芯科技有限公司 Encryption protection device for electromagnetic perception attack and use method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527276A (en) * 1984-01-16 1985-07-02 The United States Of America As Represented By The Secretary Of The Army Digital pulse position modulation communications system with threshold extension

Also Published As

Publication number Publication date
GB2229055A (en) 1990-09-12
GB2229055B (en) 1993-11-24
HK1006767A1 (en) 1999-03-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040310