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GB8306293D0 - Cordless transmission systems - Google Patents

Cordless transmission systems

Info

Publication number
GB8306293D0
GB8306293D0 GB838306293A GB8306293A GB8306293D0 GB 8306293 D0 GB8306293 D0 GB 8306293D0 GB 838306293 A GB838306293 A GB 838306293A GB 8306293 A GB8306293 A GB 8306293A GB 8306293 D0 GB8306293 D0 GB 8306293D0
Authority
GB
United Kingdom
Prior art keywords
transmission systems
cordless transmission
cordless
systems
transmission
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.)
Withdrawn
Application number
GB838306293A
Other versions
GB2121649A (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.)
HM Electronics Inc
Original Assignee
HM Electronics Inc
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
Priority claimed from GB838303988A external-priority patent/GB8303988D0/en
Application filed by HM Electronics Inc filed Critical HM Electronics Inc
Priority to GB08306293A priority Critical patent/GB2121649A/en
Publication of GB8306293D0 publication Critical patent/GB8306293D0/en
Priority to BE0/212072A priority patent/BE898498A/en
Publication of GB2121649A publication Critical patent/GB2121649A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114Indoor or close-range type systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114Indoor or close-range type systems
    • H04B10/116Visible light communication

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
GB08306293A 1982-05-04 1983-03-08 Cordless transmission in audio reproduction system Withdrawn GB2121649A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08306293A GB2121649A (en) 1982-05-04 1983-03-08 Cordless transmission in audio reproduction system
BE0/212072A BE898498A (en) 1982-05-04 1983-12-19 CORDLESS TELEPHONE HEADPHONE SYSTEM.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8212777 1982-05-04
GB838303988A GB8303988D0 (en) 1982-05-04 1983-02-14 Cordless headphone systems
GB08306293A GB2121649A (en) 1982-05-04 1983-03-08 Cordless transmission in audio reproduction system

Publications (2)

Publication Number Publication Date
GB8306293D0 true GB8306293D0 (en) 1983-04-13
GB2121649A GB2121649A (en) 1983-12-21

Family

ID=27261575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08306293A Withdrawn GB2121649A (en) 1982-05-04 1983-03-08 Cordless transmission in audio reproduction system

Country Status (2)

Country Link
BE (1) BE898498A (en)
GB (1) GB2121649A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034996A (en) * 1988-09-15 1991-07-23 Amerimax Incorporated Sound processing system and vehicle harness
GB2236021B (en) * 1989-08-07 1993-07-14 Fook Kee Heng A transmission system
US5537667A (en) * 1992-11-16 1996-07-16 Kenning; Peggy J. Swimming training device with removable receiver disposed therein
US5946604A (en) * 1994-11-25 1999-08-31 1-O-X Corporation MIDI port sound transmission and method therefor
US5722050A (en) * 1996-03-12 1998-02-24 Chen; Jinsaun Transmitter-receiver system for use in an audio equipment
USRE37884E1 (en) * 1996-04-17 2002-10-15 Bright Headphone Electronics Co. Transmitter-receiver system for use in an audio equipment
US6381452B1 (en) * 1999-11-01 2002-04-30 Ting-Kuei Tien Multifunction new-type audio player structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE372640B (en) * 1971-12-06 1974-12-23 Sonab Dev Ab
CA1018254A (en) * 1973-03-29 1977-09-27 Motorola Portable telephone system having a battery saver feature
GB1489432A (en) * 1973-12-03 1977-10-19 Commw Scient Ind Res Org Communication or signalling system
GB2043400A (en) * 1979-02-23 1980-10-01 Tung Chen Wang Portable telephone set coupled to a telephone line by a radio link
GB2062414A (en) * 1979-09-10 1981-05-20 Filtrona Ltd Portable radio receiver

Also Published As

Publication number Publication date
BE898498A (en) 1984-04-16
GB2121649A (en) 1983-12-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)