INVENTIONS FOR YOUR COMFORT TOMORROW

Farr, Robert N.

Inventions For Your Comfort Tomorrow By ROBERT N. FARR WASHINGTON—Muss, fuss, and time may be saved in thousands of offices and places of business where carbon paper is used when a newly patented...

...When the point of a pencil, typewriter type or other printing instrument strikes the paper sandwich the gelatin or cellulose sheet on the back side of the sandwich is ruptured, releasing the thick colored liquid onto the under sheet, producing a localized stain in the shape and size of the mark made by the pencil or type...
...Answers Telephone A recording and reproducing apparatus for phonograph records that will answer your telephone while you are away from home, record any message that the caller leaves, and transmit to the caller any message that you record has been invented by John J. Shively and Harry R. Van Deventer of New York City, for which they were awarded patent 2,374,842...
...The inventor, Arthur M. Heath of Houston, Texas, was awarded patent 2,374,748...
...It makes possible the free movement of the iron in any direction, thereby permitting greater speed and ease of manipulation...
...At the time the check is presented for payment, the seal is broken, revealing the secret identification number which should correspond with the code number...
...A new device that reduces the chance of fraud in cashing checks is the subject of patent 2,374,723, awarded to Lawrence R. Barghausen of Alexandria, Va...
...The unit consists of two parts, a flatiron and a base which is connected to a current supply...
...Then a gong signal sounds, telling the caller that he can begin giving the message he wishes to leave for you, which is recorded...
...Facts about this new paper sandwich are embodied in U. S. Patent 2,374,862, just awarded to inventor Barrett K. Green of the National Cash Register Company, Dayton, Ohio, and assigned to that firm...
...When the iron is set on the base it is heated by induced current set up by a primary coil in the base...
...When your telephone rings the vibrations of the bell actuate a detector which connects the telephone to the apparatus...
...Rides On Records A pickup device for playing phonograph records that rides in the groove of the record, eliminating the pickup arm which heretofore held the needle, has been awarded patent 2,374,785...
...Developed by Chester M. Sinnett, Westmont, N. J., and Rene Snepvangers, Haddon Heights, N. J., and assigned to the Radio Corporation of America, it consists of an L-shaped metal weight with a felt pad to protect the record on one L-branch and the needle with an electrostatic pickup in the other branch...
...Other Important New Patents Tire pressure alarm that bangs a clapper against the inside of the hub cap by means of an air-actuated motor signals motorists when a tire is either over-inflated or under-inflated...
...Wires run from the device to the detector and amplifier...
...The device consists of a seal on each check, behind which a series of numbers are printed as a secret identification...
...The new developer also produces photographic images possessing the desired properties of contrast, detail, and sharpness, especially shadow detail...
...It is adjustable to any tire pressure...
...The reproducing pick-up is lowered to the record you have recorded and your message is given to the caller...
...The inductively energized heating element is adapted to heat the sole plate of the iron uniformly and with maximum efficiency...
...When he has finished recording, the apparatus automatically "hangs up" the phone...
...An automatic pressure switch cuts off the energy when the iron is removed from the base...
...Coarse, grainy pictures are caused by clusters of silver particles on the film or print, and are a special problem for candid camera fans who make pictures on 35 millimeter film...
...The device may also be used for dictating letters, recording radio programs, and playing back standard phonograph records...
...No Grain Developer Photographic prints or negatives with little or no grain are possible when you use a photographic developer invented by Albert L. Bunting of Dearborn, Mich...
...When an authorized person makes out and signs the check he writes a code number on the face of the check, corresponding to the hidden number...
...The recording equipment consists of two or more turntables mounted close together, either of which may be used for recording or playing back recordings...
...Since enlargements are often made from these small negatives, they must be as free as possible from graininess...
...Inventions For Your Comfort Tomorrow By ROBERT N. FARR WASHINGTON—Muss, fuss, and time may be saved in thousands of offices and places of business where carbon paper is used when a newly patented paper sandwich consisting of two gelatin or cellulose sheets with a layer of thick-colored liquid between comes into use...
...Cordless Flatiron An electrically heated iron with which it is not necessary to use a current supply cord is the subject of patent 2,374,662 awarded to Lawrence F. Black, United States Army...
...In operation, the device is set in the outside groove of the record by hand and riding the groove, it travels toward the center of the record disk, supported by the record and picking up the sound impulses as it moves along...

Vol. 9 • May 1945 • No. 20


 
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