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EP0314655A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Recording telephone system equipped with a remote control change-over switch

Assignee: Nishitomo Co Ltd
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Filing: 1988-10-24
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Granted: —
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Expires: 2008-10-24
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Abstract

Abstract A message telephone with message recording and reproducing function equipped with remote control switch is disclosed. The message telephone has a calling signal identification circuit and after counting a predetermined number of calling signal, if the calling party once disconnect the call and originate a second call within a predetermined time interval the device works as a message telephone after identifying MF signal pass-word to work various message function under control of the remote calling party.

Inventors

  • 👤 Matsuo Sezaki
  • 👤 Kinji Nishimura

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 07:23
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/42; H04M3/50; H04M1/00; H04M1/64; H04M1/65; H04M1/652

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 113 words
A message telephone device equipped with remote control switch comprising a calling signal identification circuit, MF signal pass-word identification circuit and various switch circuits controlled by a micro-computer, wherein said calling signal identification circuit identifies number of calling signal arriving from other telephone, and when the calling party once disconnect the connection after counting a predetermined number n₁ of the calling signal, the device is switched to recording function stand-by function, and then if the device receives a second call within a predetermined time interval t₁, the device may function as a recording and reproducing telephone device equipped with message function after identifying a pass-word signal by means of the pass-word identifying circuit.
Claim 2
Dependent Claim 113 words
A message telephone device equipped with remote control switch comprising a calling signal identification circuit, MF signal pass-word identification circuit and various switch circuits controlled by a micro-computer, wherein said calling signal identification circuit identifies number of calling signal arriving from other telephone, and when the calling party once disconnect the connection after counting a predetermined number n₁ of the calling signal, the device is switched to recording function stand-by function, and then if the device receives a second call within a predetermined time interval t₁, the device may function as a recording and reproducing telephone device equipped with message function after identifying a pass-word signal by means of the pass-word identifying circuit.
Claim 3
Dependent Claim 29 words
A telephone device as claimed in claim 1, wherein bell of the telephone set of the called party is arranged not to operate during the abovementioned predetermined number n₁.
Claim 4
Dependent Claim 20 words
A telephone device as claimed in claim 1, wherein the message function comprises message transmission function and message recording function.
Claim 5
Dependent Claim 17 words
A telephone device as claimed in claim 1, wherein the predetermined number n₁ is 1 to 10.
Claim 6
Dependent Claim 18 words
A telephone device as claimed in claim 1, wherein the predetermined time interval is 1 to 60 second.
Claim 7
Dependent Claim 21 words
A telephone device as claimed in claim 1, wherein the message function comprising erase signal receiving function and message erase function.
Claim 8
Dependent Claim 21 words
A telephone device as claimed in claim 1, wherein the message function is formed to contains a plural number of channels.

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