JPS5246704A - Push-button dial featuring transmissin preventing function for specifi ed number - Google Patents

Push-button dial featuring transmissin preventing function for specifi ed number

Info

Publication number
JPS5246704A
JPS5246704A JP12275875A JP12275875A JPS5246704A JP S5246704 A JPS5246704 A JP S5246704A JP 12275875 A JP12275875 A JP 12275875A JP 12275875 A JP12275875 A JP 12275875A JP S5246704 A JPS5246704 A JP S5246704A
Authority
JP
Japan
Prior art keywords
push
transmissin
specifi
featuring
preventing function
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.)
Granted
Application number
JP12275875A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5413321B2 (enExample
Inventor
Akihiro Kobayashi
Masayuki Mochida
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.)
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
Original Assignee
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
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 Iwatsu Electric Co Ltd, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP12275875A priority Critical patent/JPS5246704A/ja
Publication of JPS5246704A publication Critical patent/JPS5246704A/ja
Publication of JPS5413321B2 publication Critical patent/JPS5413321B2/ja
Granted 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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP12275875A 1975-10-11 1975-10-11 Push-button dial featuring transmissin preventing function for specifi ed number Granted JPS5246704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12275875A JPS5246704A (en) 1975-10-11 1975-10-11 Push-button dial featuring transmissin preventing function for specifi ed number

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12275875A JPS5246704A (en) 1975-10-11 1975-10-11 Push-button dial featuring transmissin preventing function for specifi ed number

Publications (2)

Publication Number Publication Date
JPS5246704A true JPS5246704A (en) 1977-04-13
JPS5413321B2 JPS5413321B2 (enExample) 1979-05-30

Family

ID=14843874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12275875A Granted JPS5246704A (en) 1975-10-11 1975-10-11 Push-button dial featuring transmissin preventing function for specifi ed number

Country Status (1)

Country Link
JP (1) JPS5246704A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5463605A (en) * 1977-10-31 1979-05-22 Tamura Electric Works Ltd Pushhbutton dial telephone set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5463605A (en) * 1977-10-31 1979-05-22 Tamura Electric Works Ltd Pushhbutton dial telephone set

Also Published As

Publication number Publication date
JPS5413321B2 (enExample) 1979-05-30

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