JPS5744342A - Information collection system - Google Patents

Information collection system

Info

Publication number
JPS5744342A
JPS5744342A JP55118470A JP11847080A JPS5744342A JP S5744342 A JPS5744342 A JP S5744342A JP 55118470 A JP55118470 A JP 55118470A JP 11847080 A JP11847080 A JP 11847080A JP S5744342 A JPS5744342 A JP S5744342A
Authority
JP
Japan
Prior art keywords
timer
information
terminal equipment
answer signal
circuit
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
JP55118470A
Other languages
Japanese (ja)
Inventor
Takayoshi Aiki
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP55118470A priority Critical patent/JPS5744342A/en
Publication of JPS5744342A publication Critical patent/JPS5744342A/en
Pending legal-status Critical Current

Links

Landscapes

  • Detection And Prevention Of Errors In Transmission (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE:To prevent radio interference by making the resending timing of each terminal equipment different in a system which transmitting pieces of information from many terminal equipments, decentralized at respective places, to a center station over a one-circuit radio channel. CONSTITUTION:When information is detected by a detecting circuit 2 at a terminal equipment, a transmission control circuit 3 actuates a transmitting circuit 4 to transmit the information to a center station and also actuates a timer 6. The center station, when receiving the information sent from the terminal equipment accurately, sends an answer signal back. On receiving the said answer signal, an answer signal detecting circuit 8 stops the clocking operation of the timer 6. If the answer signal is received, the time-up operation of the timer 6 actuates the transmitting circuit 4 again to resend the information and the timer 6 is actuated to restart the clocking operation. The time-up point of the timer 6 of every terminal equipment is made different.
JP55118470A 1980-08-29 1980-08-29 Information collection system Pending JPS5744342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55118470A JPS5744342A (en) 1980-08-29 1980-08-29 Information collection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55118470A JPS5744342A (en) 1980-08-29 1980-08-29 Information collection system

Publications (1)

Publication Number Publication Date
JPS5744342A true JPS5744342A (en) 1982-03-12

Family

ID=14737463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55118470A Pending JPS5744342A (en) 1980-08-29 1980-08-29 Information collection system

Country Status (1)

Country Link
JP (1) JPS5744342A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6253527A (en) * 1985-09-03 1987-03-09 Fujitsu Ten Ltd Optical calling system in mobile radio system
JPH02199931A (en) * 1989-01-27 1990-08-08 Fujitsu Ten Ltd Data transmission system
JPH02301393A (en) * 1989-05-16 1990-12-13 Nec Home Electron Ltd Traffic management system
JP2010272070A (en) * 2009-05-25 2010-12-02 Panasonic Electric Works Co Ltd Alarm system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6253527A (en) * 1985-09-03 1987-03-09 Fujitsu Ten Ltd Optical calling system in mobile radio system
JPH02199931A (en) * 1989-01-27 1990-08-08 Fujitsu Ten Ltd Data transmission system
JPH02301393A (en) * 1989-05-16 1990-12-13 Nec Home Electron Ltd Traffic management system
JP2010272070A (en) * 2009-05-25 2010-12-02 Panasonic Electric Works Co Ltd Alarm system

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