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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 6108155 | Recording or reproducing apparatus and method for taking up tape when ejecting tape cassette A magnetic recording or reproducing apparatus having a rotary drum includes a sensor for detecting dew condensation on the rotary drum, a take-up reel for taking up a recording medium, and a controller for controlling the rotary drum and the take-up reel ... | 08/22/2000 |
| 6008863 | Variable white balance control circuitry for selecting the appropriate range in accordance with the photographic mode An image sensing apparatus includes an image sensor for sensing an optical image and converting the optical image into an electrical signal, and a white balance control circuit for controlling a white balance condition of the electrical signal. A limiting... | 12/28/1999 |
| 5838370 | Image pickup apparatus An image pickup apparatus comprises an image enlargement circuit for enlarging an image around a viewpoint position in a picture and a control circuit for changing a focus detection area or a photometry area to an area having position and size adaptive to... | 11/17/1998 |
| 5818999 | Video signal reproducing apparatus A video signal reproducing apparatus having a video camera part which produces a video signal by picking up an image of an object and is arranged in one unified body at least with a reproducing part which reproduces a video signal from a recording medium ... | 10/06/1998 |
| 5809350 | Flash device having flat emission mode There is provided a flash device to which a construction for starting a flash emission without depending on the turning-on of an X-sync contact is added without increasing the number of interfaces between a camera body and the flash device. In the flash d... | 09/15/1998 |
| 5754900 | Intra-viewfinder display device and optical apparatus An intra-viewfinder display device includes an optical system having a light splitting surface and arranged to guide light coming from an object to a viewer, and a display element for displaying information by using light of a predetermined wavelength. Th... | 05/19/1998 |
| 5751504 | Digital video and audio signal recording apparatus A digital signal recording apparatus is arranged to be capable of permitting long-time recording on one and the same recording medium without impairing the quality of audio signals at all. The apparatus has a first mode in which a digital video signal sup... | 05/12/1998 |
| 5749014 | Shutter device A shutter device comprises a shutter blade which operates according to an exposure operation, a first blade driving spring for giving an urging force working in a predetermined direction to the shutter blade substantially over an entire operating range of... | 05/05/1998 |
| 5737014 | Electronic camera with detachable buffer memory An electronic camera including an image pickup element, a solid state memory of relatively small capacity for storing at least one frame of a video signal produced by the image pickup element and a non-solid state memory of relatively large capacity for s... | 04/07/1998 |
| 5708890 | Tripod A tripod applicable to an optical apparatus having a center of gravity the position of which is separate from a position in which the tripod is to be mounted, a supporting portion for supporting a plurality of leg portions is arranged to be movable from a... | 01/13/1998 |
| 5694169 | Waterproof case for a camera A video camera system includes a video camera, a waterproof case for containing the video camera, a detecting part for detecting a water leak into the case, and a display part for displaying warning of the water leak according to an output of the detectin... | 12/02/1997 |
| 5690294 | Recording and/or reproducing apparatus having a slidable chassis A recording and/or reproducing apparatus having a rotary drum, comprises a first chassis on which the rotary drum is provided, a second chassis which is supported for sliding movement on the first chassis within a predetermined stroke, a reel mount provid... | 11/25/1997 |
| 5691766 | Video camera with vented light A video camera (31) has a built-in video light (32) for photography in the dark. The built-in video light (32) has heat dissipation holes (32f1) capable of opening and closing, and a heat dissipation control for controlling opening and closing of the heat... | 11/25/1997 |
| 5684532 | Video camera with improved zoom capability A video camera is operated to obtain a very rapid change in magnification. A target degree of magnification is achieved by rapid change in an electronic zoom factor provided by an image signal processing circuit. Either before or after the change in elect... | 11/04/1997 |
| 5684919 | Recording apparatus for a video signal and a control information indicative of a control state of a video camera An apparatus for recording a video signal while forming a multiplicity of recording tracks in parallel on a tape-shaped recording medium, wherein camera information representing the operating state of a camera when shooting each picture is recorded in a p... | 11/04/1997 |
| 5680500 | Record bearing medium for still video signal A sheet-shaped record bearing medium having a first recording area for recording a fixed amount of information and a second recording area for recording a variable amount of information, a still video signal being recorded in the first recording area and ... | 10/21/1997 |
| 5676767 | Continuous process and reel-to-reel transport apparatus for transverse magnetic field annealing of amorphous material used in an EAS marker A magnetostrictive element for use in a magnetomechanical electronic article surveillance marker is formed by annealing a continuous ribbon of an amorphous metal alloy. The alloy ribbon is transported from reel to reel through an oven in which a transvers... | 10/14/1997 |
| 5677733 | Exposure control device having a plurality of light detecting areas An exposure control device having a light measuring area setting circuit which sets a light measuring area on an image sensing plane, a discriminating circuit which discriminates from each other varied states of the image sensing plane through video signa... | 10/14/1997 |
| 5672862 | Optical apparatus having image shake preventing function An optical apparatus or a control device to be used for a light flux deflecting apparatus is arranged to include at least two light flux deflecting portions and a control portion which control the driving actions of the at least two light flux deflecting ... | 09/30/1997 |
| 5673024 | Electronic article surveillance system with comb filtering by polyphase decomposition and nonlinear filtering of subsequences A signal received in an electronic article surveillance system is subjected to a nonlinear comb filtering function to remove interference. The nonlinear comb filtering is provided by performing a polyphase decomposition of an input digital signal, nonline... | 09/30/1997 |
| 5668626 | Distance measuring apparatus A distance measuring apparatus includes: a light projecting unit including a light source and a light projecting lens; a distance measuring first photosensor unit disposed at a predetermined baseline length from the light projecting unit and including a f... | 09/16/1997 |
| 5664500 | Shifting device for horizontal shifting of heavy loads A shifting device for horizontal shifting of heavy loads with at least one lifting cylinder to raise the load, a support, and a preferably hydraulically actuated shifting mechanism, wherein the shifting mechanism has at least one horizontally arranged shi... | 09/09/1997 |
| 5666562 | Automatic focusing system An automatic focusing system comprises a focus detecting circuit arranged to detect the state of focus on the basis of a signal component which is extracted from an image signal and varies with the state of focus, a speed control circuit arranged to colla... | 09/09/1997 |
| 5664249 | Camera or apparatus adapted to use film cartridge or device applicable to such camera or apparatus A camera or an apparatus, or a device applicable to the camera or the apparatus, adapted to use a film cartridge includes a cover for a slidable cartridge loading chamber, a first part arranged to support the film cartridge when the film cartridge is plac... | 09/02/1997 |
| 5663844 | Signal reproducing apparatus having waveform equalizing function A circuit is provided for emphasizing or suppressing both a frequency corresponding to an upper sideband and a frequency corresponding to a lower sideband with respect to a frequency corresponding to the carrier of a frequency-modulated signal in equalizi... | 09/02/1997 |
| 5661457 | Directional antenna configuration for asset tracking system A directional antenna configuration for use in an article tracking system includes two shorted loops, one on each side of a portal and in each case circumscribing the portal. The antenna configuration also includes a respective pair of passage antennas pr... | 08/26/1997 |
| 5660941 | Catalyst assembly for internal reforming fuel cell A catalyst assembly for placement in the anode compartment of an internally reforming fuel cell. The anode compartment includes a current collector having peak regions with spacer regions therebetween. The catalyst assembly is in the form of a member incl... | 08/26/1997 |
| 5659439 | Tape loading device with joints at preselected spacing in rail slot In a tape loading device for wrapping a tape member around a rotary drum to a given degree of angle by moving two guide posts in opposite directions along the rotary drum, a plurality of rail defining members define rail slots which are arranged to indivi... | 08/19/1997 |
| 5658694 | Simplified zinc negative electrode with multiple electrode assemblies A zinc negative electrode comprising first and second zinc electrode assemblies separated by a porous hydrophobic element: Each of the zinc electrode assemblies includes a zinc active element and is devoid of any catalytic material for promoting oxygen ga... | 08/19/1997 |
| 5659821 | Driving apparatus employing vibration type motor with standing wave control of camera shutter system The present invention relates to a driving apparatus arranged to perform driving control of a travelling member, such as a shutter member, by using a vibration wave motor. According to the present invention, the travelling member is arranged to be driven ... | 08/19/1997 |
| 5659497 | Signal processing apparatus for processing a plurality of individual signals A signal processing apparatus comprising a signal holding circuit to hold an input signal from a signal source, a coupling capacitor provided on the signal source side, a connecting circuit to selectively connect the coupling capacitor and the signal hold... | 08/19/1997 |
| 5659787 | Data communication network with highly efficient polling procedure A local area data network interconnects devices which make up a video surveillance system. The devices attached to the local area network are divided into distinct classes which are polled with different degrees of frequency. Devices are dynamically reass... | 08/19/1997 |
| 5659400 | Information signal recording device for recording main information signal with index signal for rapidly and accurately searching main information signal A signal recording apparatus is arranged to record main information in a first area provided in each of a multiplicity of parallel tracks formed on a tape-shaped recording medium, and an index signal in a second area of each of a predetermined number of c... | 08/19/1997 |
| 5657083 | Video camera having parts arranged to reduce affects of shake A video camera comprises a grip part for holding a camera body, and a mechanism part having a tape path forming part which forms a predetermined tape path for a magnetic tape. The mechanism part has a tape path forming plane approximately in parallel to a... | 08/12/1997 |
| 5657081 | Electronic apparatus having a main body and loadable storage unit An electronic apparatus includes a main body which has a plurality of electrical contacts and an information storing part which can be loaded and unloaded on and from the main body and also has a plurality of electrical contacts arranged to be connectable... | 08/12/1997 |
| 5657424 | Isolated word recognition using decision tree classifiers and time-indexed feature vectors Machine recognition of isolated word utterances is carried out by applying time-indexed feature vectors to binary decision tree classifiers. A respective classifier is provided for each target word in the vocabulary of words to be recognized. Determinants... | 08/12/1997 |
| 5655168 | Camera using film cartridge capable of setting film usage condition A camera of the kind using a film cartridge capable of setting various film usage conditions permits normal photographing actions when the camera is loaded with the film cartridge in an unused condition and inhibits photographing actions when the camera i... | 08/05/1997 |
| 5654753 | White balance correcting device for an image sensing apparatus A white balance correcting device for an image sensing apparatus comprising gain control circuits for different colors positioned in respective signal lines for the colors from an image sensor to control the gains of the signal lines individually, a contr... | 08/05/1997 |
| 5654752 | Imaging apparatus with multiple pickups, processing and displays An imaging apparatus is disclosed which is integrally provided with two image pickup systems for respectively converting subject light into image signals and two displays for respectively displaying images relative to the image signals obtained by the two... | 08/05/1997 |
| 5652923 | Lens driving device The present invention provides a lens driving device, such as an automatic focusing device, which is arranged to detect a difference (the amount of overrun) between a given target amount of driving of a lens and an amount in which the lens is actually dri... | 07/29/1997 |
