GB1018274A - A new or improved device for limiting telephone calls - Google Patents

A new or improved device for limiting telephone calls

Info

Publication number
GB1018274A
GB1018274A GB3406063A GB3406063A GB1018274A GB 1018274 A GB1018274 A GB 1018274A GB 3406063 A GB3406063 A GB 3406063A GB 3406063 A GB3406063 A GB 3406063A GB 1018274 A GB1018274 A GB 1018274A
Authority
GB
United Kingdom
Prior art keywords
wheel
pin
collar
impulse
pawl
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
GB3406063A
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.)
GERARD GASTON EDMOND MORICOT
Original Assignee
GERARD GASTON EDMOND MORICOT
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 GERARD GASTON EDMOND MORICOT filed Critical GERARD GASTON EDMOND MORICOT
Publication of GB1018274A publication Critical patent/GB1018274A/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)
GB3406063A 1962-08-28 1963-08-28 A new or improved device for limiting telephone calls Expired GB1018274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR907986A FR1332465A (fr) 1962-08-28 1962-08-28 Dispositif de limitation des appels téléphoniques et téléphones munis du présent dispositif ou dispositif similaire

Publications (1)

Publication Number Publication Date
GB1018274A true GB1018274A (en) 1966-01-26

Family

ID=8785859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3406063A Expired GB1018274A (en) 1962-08-28 1963-08-28 A new or improved device for limiting telephone calls

Country Status (5)

Country Link
BE (1) BE636631A (enrdf_load_stackoverflow)
CH (1) CH403872A (enrdf_load_stackoverflow)
DE (1) DE1206486B (enrdf_load_stackoverflow)
FR (1) FR1332465A (enrdf_load_stackoverflow)
GB (1) GB1018274A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124453A (en) * 1982-07-30 1984-02-15 Shamshad Mohammed Khan Telephone monitoring device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1268215B (de) * 1965-11-26 1968-05-16 Christos Stathacopoulos Vorrichtung an einem Fernsprechapparat zum Sperren des Apparates fuer Selbstwaehlferngespraeche

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1749067U (de) * 1957-05-17 1957-07-25 Hagenuk Vorm Neufeldt & Kuehnk Schrittschaltwerk, vorzugsweise fuer sperrnummernschalter von muenzfernsprechern.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124453A (en) * 1982-07-30 1984-02-15 Shamshad Mohammed Khan Telephone monitoring device

Also Published As

Publication number Publication date
DE1206486B (de) 1965-12-09
BE636631A (enrdf_load_stackoverflow)
CH403872A (fr) 1965-12-15
FR1332465A (fr) 1963-07-12

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