AU7316674A - Telephone call limiting device - Google Patents

Telephone call limiting device

Info

Publication number
AU7316674A
AU7316674A AU73166/74A AU7316674A AU7316674A AU 7316674 A AU7316674 A AU 7316674A AU 73166/74 A AU73166/74 A AU 73166/74A AU 7316674 A AU7316674 A AU 7316674A AU 7316674 A AU7316674 A AU 7316674A
Authority
AU
Australia
Prior art keywords
limiting device
telephone call
call limiting
telephone
limiting
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
AU73166/74A
Other languages
English (en)
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.)
NAGAKURA M
Original Assignee
NAGAKURA M
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
Priority claimed from JP873474A external-priority patent/JPS50104804A/ja
Priority claimed from JP873574A external-priority patent/JPS50104805A/ja
Priority claimed from JP1964574A external-priority patent/JPS50114905A/ja
Priority claimed from JP1964674A external-priority patent/JPS50114906A/ja
Priority claimed from JP5043474A external-priority patent/JPS50142107A/ja
Application filed by NAGAKURA M filed Critical NAGAKURA M
Publication of AU7316674A publication Critical patent/AU7316674A/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
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
AU73166/74A 1974-01-19 1974-09-10 Telephone call limiting device Expired AU7316674A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP873474A JPS50104804A (enrdf_load_stackoverflow) 1974-01-19 1974-01-19
JP873574A JPS50104805A (enrdf_load_stackoverflow) 1974-01-19 1974-01-19
JP1964574A JPS50114905A (enrdf_load_stackoverflow) 1974-02-19 1974-02-19
JP1964674A JPS50114906A (enrdf_load_stackoverflow) 1974-02-19 1974-02-19
JP5043474A JPS50142107A (enrdf_load_stackoverflow) 1974-05-07 1974-05-07

Publications (1)

Publication Number Publication Date
AU7316674A true AU7316674A (en) 1976-03-18

Family

ID=27518978

Family Applications (1)

Application Number Title Priority Date Filing Date
AU73166/74A Expired AU7316674A (en) 1974-01-19 1974-09-10 Telephone call limiting device

Country Status (5)

Country Link
AU (1) AU7316674A (enrdf_load_stackoverflow)
DE (1) DE2451069A1 (enrdf_load_stackoverflow)
FR (1) FR2258753A1 (enrdf_load_stackoverflow)
IT (1) IT1024773B (enrdf_load_stackoverflow)
SE (1) SE7411340L (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG37515A1 (en) * 1983-02-02 1985-06-14 Popov Device for limiting telephone dial selection
BG37516A1 (en) * 1983-03-14 1985-06-14 Popov Device for limiting telephone dial selection

Also Published As

Publication number Publication date
DE2451069A1 (de) 1975-07-24
FR2258753A1 (en) 1975-08-18
SE7411340L (enrdf_load_stackoverflow) 1975-07-21
IT1024773B (it) 1978-07-20

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