JPH01151643U - - Google Patents

Info

Publication number
JPH01151643U
JPH01151643U JP4958288U JP4958288U JPH01151643U JP H01151643 U JPH01151643 U JP H01151643U JP 4958288 U JP4958288 U JP 4958288U JP 4958288 U JP4958288 U JP 4958288U JP H01151643 U JPH01151643 U JP H01151643U
Authority
JP
Japan
Prior art keywords
light
receiving element
earpiece
mouthpiece
handset
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
JP4958288U
Other languages
English (en)
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 filed Critical
Priority to JP4958288U priority Critical patent/JPH01151643U/ja
Publication of JPH01151643U publication Critical patent/JPH01151643U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Telephone Set Structure (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例のブロツク図、第2
図は受話器の概観図、第3図は本考案の実施例2
のブロツク図である。 1……ホトトランジスタ、2……ホトトランジ
スタ、3……インバータ、4……インバータ、5
……NANDゲート、6……保留回路、7……抵
抗、8……抵抗、9……受話器、10……受話口
、11……送話口、12……インバータ、13…
…抵抗、14……抵抗。

Claims (1)

    【実用新案登録請求の範囲】
  1. 受話器の送話口あるいは受話口あるいは両方に
    少なくとも1個の受光素子を設け、該受光素子の
    出力により制御される保留回路を有することを特
    徴とする電話機。
JP4958288U 1988-04-12 1988-04-12 Pending JPH01151643U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4958288U JPH01151643U (ja) 1988-04-12 1988-04-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4958288U JPH01151643U (ja) 1988-04-12 1988-04-12

Publications (1)

Publication Number Publication Date
JPH01151643U true JPH01151643U (ja) 1989-10-19

Family

ID=31275672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4958288U Pending JPH01151643U (ja) 1988-04-12 1988-04-12

Country Status (1)

Country Link
JP (1) JPH01151643U (ja)

Similar Documents

Publication Publication Date Title
JPH01151643U (ja)
JPH01166617U (ja)
JPH0284456U (ja)
JPS61199957U (ja)
JPS628749U (ja)
JPS62167441U (ja)
JPS6266447U (ja)
JPH0485939U (ja)
JPH0244448U (ja)
JPH02112052U (ja)
JPS63173954U (ja)
JPS63185335U (ja)
JPS6261570U (ja)
JPH0270547U (ja)
JPH01132165U (ja)
JPH01103950U (ja)
JPS6333570U (ja)
JPS61107254U (ja)
JPH02120954U (ja)
JPH0436352U (ja)
JPH0266018U (ja)
JPS63111045U (ja)
JPS6271952U (ja)
JPS6355649U (ja)
JPS61113447U (ja)