US2204238A - Picture telegraph apparatus - Google Patents

Description

June 11, 1940. H. STEINER 2,204,238

PICTURE TELEGRAPH APPARATUS Filed Aug. 24, 1938 Patented June 11, 1940 I UNITED STATES PATENT OFFICE PICTURE TELEGRAPH APPARATUS Helmut Steiner, Berlin, Germany, assignor to C. Lorenz Aktiengesellschaft, Berlin-Tempelhof, Lorenzweg, Germany, a company Application August 24, 1938, Serial No. 226,439 In Germany August 24, 1937 3 Claims. (01. 178l3) The present invention relates to improvements ilar to a loudspeaker system having a hammerin or concerning picture telegraph apparatus. shaped writing member or stylus 4 which, how- Picture telegraph devices are known in which ever, for the sake of simplicity, has not been the writing system is moved in a direction perparticularly shown in the drawing. The writing pendicular to the direction of advance of the equipment is guided on two bars 5 and 6. The record carrier, such as a sheet of paper, so that bar 5 is rigidly connected between the lateral the record carrier may be an endless strip or supporting members 1 and 8, while the bar 6 is tape. The writing or printing equipment of eccentrieally pivoted in parallel relation to the such picture telegraph apparatus is generally bar 5. The writing system moves on the first m guided on bars and is operated by driving means bar by means of a sliding bearing 9 and is guided 10 so as to move this equipment along the fixed by the second bar by means of two pulleys l0. record carrier or paper. It is very important that In cases that the position of the stylus 4 relathe writing equipment is guided with utmost active to the record carrier I is to be altered during curacy on the bars in order to exactly fix the the recording process, the bar 6 is moved eccendistance between this writing equipment and the trically by the agency of a lever ll so that the 5 paper. The heretofore known devices of this writing system is pivotally tilted about the axis kind suffer under the disadvantage that the posiof bar 5 so as to change its position with respect tion of the writing equipment relative to the recto the record carrier.

0rd carrier or paper cannot be regulated during What is claimed is:

the recording process, so it is necessary in each 1. In a picture telegraph apparatus having a 29 case to stop the apparatus when such a regularecord carrier guided on a platten, a writing tion becomes necessary. equipment, means for moving said equipment in The invention has for its object to avoid this a longitudinal direction perpendicular to the didifiiculty and accomplishes this by guiding the rection of the record carrier advancement, and

writing system on an eccentrically pivoted bar so means for guiding said writing equipment, which 25 that the position of the writing system relative means comprise one fixed bar and a further bar to the record carrier can. be changed during the which is eccentrically adjustable relative to said recording operation by adjusting this eccentric fixed bar. member, 2. In a picture telegraph apparatus as defined 30 The invention will be more readily understood in claim 1, in which said fixed bar has a cylin- 30 from the following description taken in conjuncdrical cross sectional area, said writing system tion with the accompanying drawing, the single being tilted about the axis of said bar by means figure of which is a perspective view of one emof said eccentric bar in order to vary the relative bodiment according to the invention. position between said writing Sy tem and said The record carrier or paper I is guided on a record carrier.

35 drum 2 and the writing system 3 is moved along 3. In a picture telegraph apparatus as defined said record carrier in a direction which is per* in claim 1, in which said writing system is propendicular to the direction in which the record vided with pulleys, adapted to guide said writing carrier is advanced. The function means of the system on said eccentrically adjustable bar.

0 writing system may for instance be formed slm- HELMUT STEINER. 4

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