US2137606A - Picture telegraph - Google Patents

Picture telegraph Download PDF

Info

Publication number
US2137606A
US2137606A US87476A US8747636A US2137606A US 2137606 A US2137606 A US 2137606A US 87476 A US87476 A US 87476A US 8747636 A US8747636 A US 8747636A US 2137606 A US2137606 A US 2137606A
Authority
US
United States
Prior art keywords
lever
bar
picture
portions
style
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 - Lifetime
Application number
US87476A
Other languages
English (en)
Inventor
Eulenhofer Adolf
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
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 Standard Elektrik Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of US2137606A publication Critical patent/US2137606A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/0323—Heads moving to and away from the reproducing medium, e.g. for pressure sensitive reproducing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction

Definitions

  • This invention relates to picture telegraphs of the kind having a magnetically acting system wherein a style or pencil, fixed to a lever, is pressed against a chart with the aid of an armag ture oi the magnetic system, so that the signals arriving as current impulses are reproduced on such chart.
  • Fig. 1 is a partially sectioned elevation of this embodiment, the section being on the line l--I of Fig. 2.
  • Fig. 2 is an end view to Fig. 1.
  • Fig. 3, drawn to 'a larger scale than Figs. 1 and 2 is a plan view of the bar intended to support the lever carrying the recording style.
  • Mlounted in a frame portion R is the magnet M which is fitted with pole pieces P provided with coils W. These serve to guide the currents by which the recording style H is pressed against the chart F carried in a well known manner on a cylinder, the so called picture cylinder, or arranged in any other suitable manner.
  • the style H is xed to a lever B, carrying an armature A of the magnet M.
  • Lever B is fixed on the centre portion b of a small bar S. This bar is xedly connected with a frame portion d, for example by screws, e, extending through apertures a (Fig. 3) of the end portions a of the bar.
  • portions c are provided between portion b and the two portions a reduced portions c are provided 'which are of so small a cross-sectional area that they are twisted whenever the amature ⁇ A is attracted by magnet M.
  • Bar S is preferably manufactured from a at piece of material.
  • the portions c are by preference circular 1936, Serial N0., 87,476
  • a reproducing arrangement for picture-telegraph apparatus comprising a writing lever, an electromagnet for actuating said lever, a bar rigidly fixed at its end for supporting said lever, said bar being stressed in tortion upon movement of said writing lever, said writing lever consisting of a rod supported by said barA at a point intermediate its ends and provided at one end with a writing point and at the other end with an unpolarized iron armature which is arranged in the field of said electromagnet, to move the writing point into operative position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
US87476A 1935-07-05 1936-06-26 Picture telegraph Expired - Lifetime US2137606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE459272X 1935-07-05

Publications (1)

Publication Number Publication Date
US2137606A true US2137606A (en) 1938-11-22

Family

ID=6539558

Family Applications (1)

Application Number Title Priority Date Filing Date
US87476A Expired - Lifetime US2137606A (en) 1935-07-05 1936-06-26 Picture telegraph

Country Status (4)

Country Link
US (1) US2137606A (enrdf_load_stackoverflow)
FR (1) FR807471A (enrdf_load_stackoverflow)
GB (1) GB459272A (enrdf_load_stackoverflow)
NL (1) NL46835C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL46835C (enrdf_load_stackoverflow)
GB459272A (en) 1937-01-05
FR807471A (fr) 1937-01-13

Similar Documents

Publication Publication Date Title
US2585684A (en) High-speed sensitive relay
US2034872A (en) Phonograph reproducer
US2118862A (en) Dynamic translating device
US2137606A (en) Picture telegraph
US2027169A (en) Vibration translating device
US2233621A (en) Pole-piece assembly for telegraphones
US2975252A (en) Relay
US1193678A (en) Electromagnet
US2563860A (en) Sound recording and reproducing head
US3277370A (en) Taut band suspended instrument movement with shock resistant longitudinal movement stop
US2240918A (en) Device to convert mechanical vibrations into electrical oscillations
US2347347A (en) Vibration translating device
US2402985A (en) Magnetic recorder
US2311385A (en) Sound translating apparatus
US1974895A (en) Electromagnetic reproducer
US2380293A (en) Magnetically biased telephone ringer
US1884654A (en) Relay and circuit breaker
US1831589A (en) Magnetic pickup
US1914191A (en) Electric sound reproducing apparatus
US2202139A (en) Magnetic telegraphone
US1947164A (en) Phonograph reproducer
US2692927A (en) Electrical relay
US2471365A (en) Armature structure for electromagnetic apparatus
US1364685A (en) Electromagnetic device
US2124296A (en) Transducer