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JPS60223370A Expired / Lapsed JP ⏱️ 0.0 years remaining

Telephone set accessory

Assignee: NTT Inc
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Filing: 1984-04-20
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Granted: —
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Expires: 2004-04-20
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Abstract

Abstract PURPOSE:To attain ease of connection, talking in the connecting state and to eliminate effect of noise in the surrounding by providing a connecting terminal connected directly to a handset and a receiver terminal in a base set and a connecting directly connected to a handset cord to an accessory. CONSTITUTION:The accessory 19 is formed so that its terminals 20a-20d are connected directly to connecting terminals 2a, 2b, 2c, 2d of a transmitter and a receiver of a base set 2, terminals 21a-21d are connected directly to the handset and an operating circuit 22 is provided. In transmitting/receiving data by the accessory, the circuit 22 forms a data signal, which is transmitted to a telephone line from the 1a, 1b via the 20c, 20d, 2c, 2d and a talking circuit of a telephone set. On the other hand, in recording the content of talking, the circuit 22 consists of voice storage and reproducing means. Thus, the accessory is miniaturized and the induced noise from the surrounding is not invaded and this accessory is connected to an electronic telephone set. Since an electric signal from the handset and the base set is transmitted to a transmitter terminal in the base set and a receiver in the handset directly, the talking by using the handset is attained.

Inventors

  • 👤 Yutaka Nishino
  • 👤 豊 西野
  • 👤 Kunihiro Kato
  • 👤 加藤 邦紘
  • 👤 Yoshiki Tanimoto
  • 👤 谷本 佳己
  • 👤 Nobuyuki Hayashi
  • 👤 信幸 林
  • 👤 Noboru Miyawaki
  • 👤 宮脇 陞

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-02 15:24
CPC Classifications
—

Claims Analysis

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References Cited (Backward Citations)

JPS4896003A Cited
JPS58215163A Cited

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