Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 5053813 | Electrophotographic copying apparatus having two copy-start keys An image forming apparatus is provided which includes first and second copy-start keys. The first key remains continuously in the enabled state, while the second key is normally in the disabled state. The second key is enabled only when an inputted ID num... | 10/01/1991 |
| 5034770 | Job integrity and security apparatus An apparatus and method which provides job integrity and security for each sheet transported to and from a printing station including periods when a printing machine has cycled down enabling an operator to remove sheets therefrom. Each sheet transported t... | 07/23/1991 |
| 5027153 | Image forming apparatus with card device input An image forming apparatus capable of reserving one or more copy modes independently of a currently performed image forming operation by the insertion of a card device such as an IC card in which are programmed, by means of input switches, at least one op... | 06/25/1991 |
| 5016171 | Copy cartridge warranty and billing system Customer billing system for electrostatographic reproducing machines in which a replaceable copy cartridge provides a guaranteed number of copies or prints, each cartridge having an integral copy counter which, on reaching a predetermined copy count, is d... | 05/14/1991 |
| 5014088 | Inhibitable image forming apparatus including entered code data release means An image forming apparatus includes a memory having stored code data, code data input keys and a preheat changeover key for selectively switching the fixing device to a preheat mode or an operation ready mode, whereby the apparatus is permitted to operate... | 05/07/1991 |
| 4999672 | Computer control of photocopiers An interface device for connecting a programmable computer to one or more photocopiers and translating computer logic to line signals to the photcopiers and transmitting line signals from the photocopiers to the computer.... | 03/12/1991 |
| 4980721 | Copying apparatus having a controller capable of sorting groups of originals in different bins by detecting a boundary between the groups A copying apparatus having an automatic document feeder (ADF), and a sorter having a plurality of bins. The apparatus comprises an input mechanism for setting the number of sheets to be copied with respect to one original document; a detecting system for ... | 12/25/1990 |
| 4980719 | Copier/printer and method for reproduction of secure documents or the like A reproduction method and apparatus provides for the secure reproduction of confidential documents that include image portions formed with magnetic or metallic toners. The method and apparatus of the invention also provides for the production of documents... | 12/25/1990 |
| 4963946 | Copying machine capable of discharging paper without forming image thereon A copying machine capable of correctly counting the number of printed copying papers, and which is capable of interrupting the counting task when some copying papers stored in an intermediate storage unit or marking papers for classifying printed copying ... | 10/16/1990 |
| 4959687 | Bias power source controller for an image forming apparatus A controller for controlling a bias power source associated with, for example, a developing unit of an electrophotographic copier such that a bias voltage to be applied to the developing unit for the adjustment of image density is variable in level. The c... | 09/25/1990 |
| 4881104 | Image forming apparatus having a plurality of feed openings When paper jam occurs during copy operation, the paper feed opening (which is one of the paper feed openings 1a to 1d) in which the paper jam occurs is determined, and thus, the number of occurrences of paper jam is counted for each of the paper feed open... | 11/14/1989 |
| 4791451 | Copying apparatus having automatic document feeder A copying apparatus includes an automatic document feeder, a document size detecting part provided on the automatic document feeder for detecting a size of a document, a contact glass on which the document is set automatically by the automatic document fe... | 12/13/1988 |
| 4766467 | Electrostatic copying apparatus and auxiliary unit capable of being detachably mounted thereon An electrostatic copying apparatus and an auxiliary unit detachably mounted on the electrostatic copying apparatus to diversify the mode of image formation. The electrostatic copying apparatus includes a paper conveying passage, a paper feed means for fee... | 08/23/1988 |
| 4707748 | Image recording apparatus An image recording apparatus. A disposable part is detachably mounted therein. The apparatus includes a photosensitive member which is imagewisely exposed to a dots of beam in accordance with the signal of the image to be recorded. A counter counts clockp... | 11/17/1987 |
| 4618247 | Photoreceptor pre-initializing electrophotographic copying machine An electrophotographic copying machine comprises a copy-image forming member for enabling the machine to conduct a copy operation to provide a toner image onto a copy paper, a heat-fixing element responsive to the copy-forming member for heat-fixing the t... | 10/21/1986 |
| 4589763 | Timing adjustment in a copying machine A timing adjustment system in a copying machine includes a slit plate secured to a shaft of a photosensitive drum for developing a pulse signal of a period (t') in response to the rotation of the photosensitive drum. A copy paper supply system is enabled ... | 05/20/1986 |
| 4572661 | Tester for a copier A tester can resolve a sensed signal whose duty cycle is proportional to the amount of a developer disposed in a copier. The tester includes an input device and an indication device. The input device is coupled to the copier for providing a processed sign... | 02/25/1986 |
| 4568172 | Small document set recirculative copying A method and apparatus of more efficiently copying sets of document sheets having a small number of document sheets per set on a copier with a recirculating document handler, onto plural collated copy sheet sets, with plural copying recirculations of all ... | 02/04/1986 |
| 4557589 | Sorting apparatus In a sorting apparatus which is mechanically coupled to, but electrically independently operated from a copying machine, the sorting operation is realized. A copy delivery time interval between a front end of a first copy and a front end of a second copy ... | 12/10/1985 |
| 4531826 | Event counter and access controller An event counter and access controller system has a central processor unit, memory storage, and operator's keyboard, display, badge reader and key switch. The system may operate in a normal mode, wherein copy pulses from a photocopier, for example, are co... | 07/30/1985 |
| 4522482 | Information storage and retrieval An apparatus for recording information in the form of a two dimensional array of miniature images on a recording material such as electrophotographic, photographic or photochromic material. Means are included for forming those images (by such of the proce... | 06/11/1985 |
| 4521099 | Copying apparatus An image forming apparatus has a rotatable member, a plurality of processing devices for forming an image on the rotatable member and transferring the image to transfer material, a device for fixing the transferred image, circuitry for controlling the ope... | 06/04/1985 |
| 4501485 | Card-operated copying machine A card-operated copying machine allows copying operation in response to insertion of one, at a time, of key checking cards for supervising copy counts for a plurality of sections. The card-operated copying machine includes (a) key checking cards assigned ... | 02/26/1985 |
| 4497037 | Apparatus for managing a group of copying machines A copying machine group managing system comprises a plurality of copying machines, a plurality of terminal devices each provided for one of the copying machines and a central managing unit for managing the terminal devices. Each of the terminal devices re... | 01/29/1985 |
| 4457614 | Electrostatic copying apparatus An electrostatic copying apparatus comprising a rotating endless photosensitive material, an image-forming means for forming an image on the photosensitive material, a conveying means for conveying through a predetermined passage a copying sheet to which ... | 07/03/1984 |
| 4455080 | Copying apparatus equipped with control device A copying apparatus equipped with an improved control device for controlling a copying operation, and including a device for generating a start signal for starting the copying operation, a paper feeding device for starting feeding of copy paper sheets in ... | 06/19/1984 |
| 4439865 | Copier sorter with memory and counter controlled inlet gate for manually inserted covers or partition sheets A sorter for a copy machine is equipped with a portion adapted to receive sheets inserted manually for use as covers or partitions of the copies in the sorter. The sorter may be formed of one or more sorter portions arranged serially and is provided with ... | 03/27/1984 |
| 4370052 | Copying apparatus with detachable sorter A copying apparatus with a detachable sorter capable of detecting the receiving capacity of the sorter and controlling the function or display of the apparatus accordingly. Also the data concerning the sorter bins are manually set on the apparatus for con... | 01/25/1983 |
| 4324486 | Recording device including a heating means The recording device has a heating unit operated and controlled to a predetermined operating temperature, the start of the recording device is governed so as not to operate the heating unit before its temperature reaches a predetermined operating value, t... | 04/13/1982 |
| 4313673 | Duplex operation in a reproduction machine Simplex to duplex copying, is simplified in particular, the requirements are to reverse order the documents for a first pass, place all the documents in a recirculating document handler, move half copies or one sided copies to an auxiliary feed tray, and ... | 02/02/1982 |
| 4229100 | Automatic copy recovery A copy production machine is capable of having copies from plural independent copy runs in a copy sheet transport path at a given instant. Such independent runs are combined to produce duplex (double-sided) copies. Recovery from jams in such duplex operat... | 10/21/1980 |
| 4201464 | Copy production machines having job separation capabilities Copy production machine selectively interleaves copy separation sheets between successive copy jobs, subjobs, or job portions. The copy separation sheets can be from the same copy sheet supply source or from an alternate source. The supplied copy separati... | 05/06/1980 |
| 4179212 | Demand publishing royalty accounting system A transaction accounting system for the automated royalty accounting of copyright-coded paper documents. The system includes a document copier, a copier access control system which includes a transaction data terminal for input of transaction information ... | 12/18/1979 |
| 4173408 | Demand publishing royalty accounting system for an electrostatic copier A transaction accounting system for the automated royalty accounting of copyright-coded microfiche documents. The system includes a microfiche copier such as a duplicator and/or hard copy printer, a copier access control system which includes a transactio... | 11/06/1979 |
| 4163897 | Automatic copy recovery Copy production machine capable of having copies from plural independent copy runs in a copy sheet transport path at a given instant. Copy jam recovery is enhanced by maintaining separate counts of all individual images having copies simultaneously presen... | 08/07/1979 |
| 4133420 | Coin operated coin device for a copy machine A coin actuated print control device for operating a conventional electrostatic or bond copy machine, the device having a coin-operated mode and a direct print bypass mode. The device is easily and quickly coupled to a conventional electrostatic or bond c... | 01/09/1979 |
| 4058815 | Metering system for a copier/duplicator machine An improved metering system is provided for an electrostatic reproduction machine, the latter being capable of operating in either an automatic document handling mode or a manual mode. The system counts the number of originals per job up to a predetermine... | 11/15/1977 |
| 4044232 | Electronic copy selection controls for a document reproduction machine A multidigit position control register is set by a new control signal either after being reset to a reference state, after completion of a controlled machine function and receipt of a new control signal or when all digit positions contain significant cont... | 08/23/1977 |
| 3989370 | Adaptive fuser controller Apparatus and method for minimizing heating effects and reducing power surges in the fuser element of a copier/duplicator by providing a reduce power, soft turn-on operation during single copy machine cycles followed by a full power turn-on at entry of th... | 11/02/1976 |
