GB1051791A - - Google Patents

Info

Publication number
GB1051791A
GB1051791A GB1051791DA GB1051791A GB 1051791 A GB1051791 A GB 1051791A GB 1051791D A GB1051791D A GB 1051791DA GB 1051791 A GB1051791 A GB 1051791A
Authority
GB
United Kingdom
Prior art keywords
subset
jan
record
play
oscillator
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
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.)
Publication date
Publication of GB1051791A publication Critical patent/GB1051791A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/652—Means for playing back the recorded messages by remote control over a telephone line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

1,051,791. Sub-station equipment. NIPPON ELECTRIC CO. Ltd. Jan. 11, 1965 [Jan. 9, 1964], No. 1110/65. Heading H4K. A subscriber whilst still distant from his home subset can gain access to messages recorded in his. absence by transmitting from a calling subset to his called subset a characteristic signal obtained from a portable oscillator. The signal is transmitted for a predetermined time and by activating a tuned circuit to switch a transistor on finally brings on a slow to release relay to change the recording apparatus from record to play-back. After play-back additional signals may erase the messages and switch back to record. The oscillator is fitted with a volume control.
GB1051791D 1964-01-09 Expired GB1051791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP74464 1964-01-09

Publications (1)

Publication Number Publication Date
GB1051791A true GB1051791A (en) 1900-01-01

Family

ID=11482196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051791D Expired GB1051791A (en) 1964-01-09

Country Status (2)

Country Link
BE (1) BE657728A (en)
GB (1) GB1051791A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028688A1 (en) * 1979-11-07 1981-05-20 Crypto Aktiengesellschaft Lay-out for transmitting control signals via a speech channel
EP0073543A2 (en) * 1981-08-28 1983-03-09 Jacques Piquerez Information transmission system between a telephone set and a person at a distance from his set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028688A1 (en) * 1979-11-07 1981-05-20 Crypto Aktiengesellschaft Lay-out for transmitting control signals via a speech channel
EP0073543A2 (en) * 1981-08-28 1983-03-09 Jacques Piquerez Information transmission system between a telephone set and a person at a distance from his set
EP0073543A3 (en) * 1981-08-28 1984-02-22 Jacques Piquerez Information transmission system between a telephone set and a person at a distance from his set

Also Published As

Publication number Publication date
BE657728A (en) 1965-04-16

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