GB2067323B - Radio transmitter - Google Patents

Radio transmitter

Info

Publication number
GB2067323B
GB2067323B GB8100264A GB8100264A GB2067323B GB 2067323 B GB2067323 B GB 2067323B GB 8100264 A GB8100264 A GB 8100264A GB 8100264 A GB8100264 A GB 8100264A GB 2067323 B GB2067323 B GB 2067323B
Authority
GB
United Kingdom
Prior art keywords
radio transmitter
transmitter
radio
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.)
Expired
Application number
GB8100264A
Other versions
GB2067323A (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.)
Mastiff Security Systems Ltd
Original Assignee
Mastiff Security Systems Ltd
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 Mastiff Security Systems Ltd filed Critical Mastiff Security Systems Ltd
Priority to GB8100264A priority Critical patent/GB2067323B/en
Publication of GB2067323A publication Critical patent/GB2067323A/en
Application granted granted Critical
Publication of GB2067323B publication Critical patent/GB2067323B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
GB8100264A 1980-01-07 1981-01-06 Radio transmitter Expired GB2067323B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8100264A GB2067323B (en) 1980-01-07 1981-01-06 Radio transmitter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8000356 1980-01-07
GB8100264A GB2067323B (en) 1980-01-07 1981-01-06 Radio transmitter

Publications (2)

Publication Number Publication Date
GB2067323A GB2067323A (en) 1981-07-22
GB2067323B true GB2067323B (en) 1983-07-06

Family

ID=26274038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8100264A Expired GB2067323B (en) 1980-01-07 1981-01-06 Radio transmitter

Country Status (1)

Country Link
GB (1) GB2067323B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201845A1 (en) * 1982-01-22 1983-08-04 Autoflug Gmbh, 2084 Rellingen EMERGENCY RADIO AND METHOD FOR OPERATING IT
FR2611959A1 (en) * 1987-02-24 1988-09-09 Courier De Mere Henri Wireless remote transmitter

Also Published As

Publication number Publication date
GB2067323A (en) 1981-07-22

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Legal Events

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

Effective date: 19940106