FR1138987A - Control device for prepayment box - Google Patents

Control device for prepayment box

Info

Publication number
FR1138987A
FR1138987A FR1138987DA FR1138987A FR 1138987 A FR1138987 A FR 1138987A FR 1138987D A FR1138987D A FR 1138987DA FR 1138987 A FR1138987 A FR 1138987A
Authority
FR
France
Prior art keywords
prepayment
box
control device
control
prepayment box
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
Other languages
French (fr)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1138987A publication Critical patent/FR1138987A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/04—Incandescent bodies characterised by the material thereof
    • H01K1/08—Metallic bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
FR1138987D 1954-12-23 1955-12-19 Control device for prepayment box Expired FR1138987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1138987X 1954-12-23

Publications (1)

Publication Number Publication Date
FR1138987A true FR1138987A (en) 1957-06-24

Family

ID=20420808

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1139434D Expired FR1139434A (en) 1954-12-23 1955-12-02 Flattened zig-zag refractory metal filaments
FR1138987D Expired FR1138987A (en) 1954-12-23 1955-12-19 Control device for prepayment box

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1139434D Expired FR1139434A (en) 1954-12-23 1955-12-02 Flattened zig-zag refractory metal filaments

Country Status (2)

Country Link
FR (2) FR1139434A (en)
NL (2) NL96918C (en)

Also Published As

Publication number Publication date
NL96918C (en)
FR1139434A (en) 1957-07-01
NL202866A (en)

Similar Documents

Publication Publication Date Title
FR1153152A (en) Inductive control device for servo-mechanism
FR1139227A (en) Device for x-ray diffraction
FR1156517A (en) Transistron control device, in particular for electronic calculating machines
FR1107260A (en) Control device for extendable constructions
FR1114122A (en) Cable control device
FR1120102A (en) Eccentricity control device
FR1138987A (en) Control device for prepayment box
FR1111229A (en) Automatic control device
FR1136595A (en) Control device for inverter
FR1112531A (en) Control device for electromagnetic hammers
FR1158085A (en) Control device for self-tripping switches
FR1109620A (en) Control device for electro-mechanical devices
FR1129539A (en) Control device for knitters
FR1092127A (en) Remote control device
FR1115216A (en) Snap-in control device
FR1105026A (en) Control device for prepaid device
FR1135846A (en) Control device of the counter mechanism for adding machines and calculating machines
FR1192511A (en) Control device for bending machine
FR1145181A (en) Roll control device
FR1136662A (en) Control device for measuring devices
FR1102836A (en) Control device for various devices
FR1104428A (en) Elevator control device
FR1099151A (en) Periodic control device for pneumatic device
FR1094952A (en) Hand brake control device
FR1071391A (en) Control device for bicycles