JPS57203340A - Miniature wireless signal transmitter - Google Patents

Miniature wireless signal transmitter

Info

Publication number
JPS57203340A
JPS57203340A JP8922881A JP8922881A JPS57203340A JP S57203340 A JPS57203340 A JP S57203340A JP 8922881 A JP8922881 A JP 8922881A JP 8922881 A JP8922881 A JP 8922881A JP S57203340 A JPS57203340 A JP S57203340A
Authority
JP
Japan
Prior art keywords
container
loop antenna
wireless signal
signal transmitter
insulated
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.)
Pending
Application number
JP8922881A
Other languages
Japanese (ja)
Inventor
Hiroshi Umeyama
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP8922881A priority Critical patent/JPS57203340A/en
Publication of JPS57203340A publication Critical patent/JPS57203340A/en
Pending 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
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)

Abstract

PURPOSE:To ensure an effective operation of a miniature wireless signal transmitter, by separating a loop antenna container from an insulated container, developing and by connecting the loop antenna to a high frequency oscillating circuit. CONSTITUTION:An insulated container 1 stores a battery power supply 2, a modulating circuit 3 and a high frequency oscillating circuit 4. The power supply 2 includes the electric circuits of the circuits 3 and 4. A loop antenna container 5 is set above the conainer 1 and hooked to the container 1 via a shaft 7 in a freely rotatable way. The outer surface of the container 5 is coated with an insulated material, and a loop antenna 6 is loaded into the container 5. Then the container 5 is separated and developed from the surface of the container 1. Thus the terminals 8 and 8' are connected to each other, and the antenna 6 is connected to the circuit 4.
JP8922881A 1981-06-09 1981-06-09 Miniature wireless signal transmitter Pending JPS57203340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8922881A JPS57203340A (en) 1981-06-09 1981-06-09 Miniature wireless signal transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8922881A JPS57203340A (en) 1981-06-09 1981-06-09 Miniature wireless signal transmitter

Publications (1)

Publication Number Publication Date
JPS57203340A true JPS57203340A (en) 1982-12-13

Family

ID=13964880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8922881A Pending JPS57203340A (en) 1981-06-09 1981-06-09 Miniature wireless signal transmitter

Country Status (1)

Country Link
JP (1) JPS57203340A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6340036U (en) * 1986-09-02 1988-03-15
JPH0186332U (en) * 1987-11-26 1989-06-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6340036U (en) * 1986-09-02 1988-03-15
JPH0186332U (en) * 1987-11-26 1989-06-07

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