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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7303294 | Vehicle mirror system with reduced friction actuation and movement A vehicular external rearview mirror system comprises a support arm pivotally connected to a base assembly attached to the vehicle. The pivot connection comprises an assembly of rotating plates separated by ball bearings and operated by a powerfold assembly. During ... | 12/04/2007 |
| 7150028 | Method and system for downloading, storing and displaying coupon data using the horizontal overscan portion of a video signal A method and system for decoding and storing encoded coupon data delivered via the horizontal overscan area of a video signal. An electronic coupon displays representations of coupons defined by coupon data that can be extracted from an encoded video signal that can... | 12/12/2006 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6937289 | Method and system for downloading and storing interactive device content using the horizontal overscan portion of a video signal A method and system for decoding and storing encoded control data delivered via the horizontal overscan area of a video signal. An interactive device such as an interactive toy performs behavior defined by control data that can be encoded into a video signal that ca... | 08/30/2005 |
| 6704058 | System and method of adaptive timing estimation for horizontal overscan data The adaptive timing module is configured for recovering data encoded in a field of a video signal, and further configured for counteracting horizontal phase or picture shift. An adaptive timing processor defines a timing window where the expected prescan ... | 03/09/2004 |
| 6690428 | Method and apparatus for embedding digital audio data in a serial digital video data stream Audio data of at least two audio data groups is embedded in an ancillary data space of a serial digital video data stream by multiplexing the audio data groups to provide a serial multi-group audio data stream, and inserting the serial multi-group audio d... | 02/10/2004 |
| 6600515 | Pulsed leakage tagging signal A method of transmitting a leakage tagging signal includes inserting a tagging signal into a CATV television signal only during portions of the television signal in which control information is present. A method according to the present invention is a met... | 07/29/2003 |
| 6493361 | Data transmission and receiving system for multiplexing data with video data A data transmission apparatus and a camera system for multiplexing serial data into horizontal blanking portions of video data for transmission between a CHU (1) and a CCU (2). On the transmitting side, resampled data is obtained by sampling the serial da... | 12/10/2002 |
| 6437830 | System and data format for communicating data between a video decoder and a peripheral device A communication data format conveys digital ancillary data in a vertical blanking interval of a video signal. The format employs a reference symbol including a plurality of digital pulses for indicating the start of the ancillary data and also includes a ... | 08/20/2002 |
| 6351289 | Method and apparatus that generates VBI data coding waveforms An apparatus and method is provided for generating VBI data coding waveforms. The present invention utilizes a single look-up table that stores sampled values of sine waves in direct waveform synthesis for both color burst processing and VBI data coding p... | 02/26/2002 |
| 6281939 | Method and apparatus for decoding data encoded in the horizontal overscan portion of a video signal A method and apparatus for decoding data encoded in the horizontal overscan portion of a video signal. A video data detector is configured to decode data encoded in a video signal in a first type of video signal format, such as NTSC. When the detector rec... | 08/28/2001 |
| 6025848 | Ancillary data distribution display An ancillary data distribution display presents a graphic display in Cartesian coordinates of the video line numbers for a video frame from a serial digital video data stream along one axis and a data count for each line along the other axis for ancillary... | 02/15/2000 |
| 5910822 | Data transmission and receiving system for multiplexing data with video data A data transmission apparatus and a camera system for multiplexing serial data into horizontal blanking portions of video data for transmission between a CHU (1) and a CCU (2). On the transmitting side, resampled data is obtained by sampling the serial da... | 06/08/1999 |
| 5751366 | Inclusion of audio signal within video signal A system for including audio data within a video signal. The number of frames of video data transmitted is reduced, thereby allowing greater time for each individual frame, thereby allowing the breezeway of each line of each frame to be lengthened. The br... | 05/12/1998 |
| 5745166 | Video security system field of the invention A video security system (10) capable of monitoring and recording fixed and moving targets and recording management information into a video signal such that the text can be removed from the video image produced by the video signal at playback of the recor... | 04/28/1998 |
| 5617148 | Filter by-pass for transmitting an additional signal with a video signal A controlled element for spectrum attenuation or a controlled filter is disclosed that is used to aid in the insertion of a secondary signal into a video signal without distorting the blanking intervals or close captioned data contained in the blanking in... | 04/01/1997 |
| 5583574 | Video-data transmitter, video-data receiver, and video-data transceiver for connecting parallel video-data into serial video-data and vice versa A video data transmitter includes: chrominance-data multiplexer which multiplexes parallel data obtained by digitizing a chrominance signal Pb, which is a component signal of an analog HDTV video signal, with parallel data obtained by digitizing a chromin... | 12/10/1996 |
| 5387942 | System for controlling reception of video signals A method and system for controlling the reception of video signals in accordance with the program content of the signals is disclosed. In accordance with the invention, a digital program code is simultaneously transmitted along with the audio and video in... | 02/07/1995 |
| 5208659 | Method and apparatus for independently transmitting and recapturing clock recovery burst and DC restoration signals in a MAC system The present invention is directed to improving immunity to channel distortions of multiplexed analog component television signals by independently transmitting a clock recovery burst and a DC restoration reference level during the horizontal blanking inte... | 05/04/1993 |
| 4945403 | Color television format using pulse frequency and pulse width modulation A luminance signal in a component video signal is pulse frequency modulated, and the pulse frequency modulated signal is sequentially pulse width modulated by two color difference signals alternately. Thus, the component video signal is transmitted as one... | 07/31/1990 |
| 4920503 | Computer remote control through a video signal A system for simultaneously using a video signal to provide a video picture and computer data. At the transmitting end, a video signal is digitized and then modified by substituting digital signals representative of computer data for those representative ... | 04/24/1990 |
| 4783699 | Apparatus and method for transmitting information by modulated video signal A method and apparatus is featured for encoding electronic intelligence into the horizontal synchronizing pulses of a television video signal, utilizing Amplitude Modulation of the horizontal synchronizing pulses during the active picture portion of the v... | 11/08/1988 |
| 4750036 | Interactive television and data transmission system A spread spectrum system provides bidirectional digital communication on a vacant television (TV) channel for simultaneous use by more than 75,000 subscribers using time and frequency division multiplex signals locked to horizontal and vertical sync pulse... | 06/07/1988 |
| 4647971 | Moving video special effects system A method of and apparatus for storing two scan lines of encoded video information for the purpose of writing said information into a main video memory such that the two lines may be transferred to main video memory during horizontal blanking periods when ... | 03/03/1987 |
| 4646149 | Alternate field luminance enhancement in a spectrum conserving television system An improved television bandwidth compression system allows two television programs to simultaneously utilize the bandwidth normally allowed for one television program. The basic bandwidth compression system comprises a transmitter which receives composite... | 02/24/1987 |
| 4644399 | Video/digital data multiplexer An apparatus and method is provided wherein a television signal being traitted may be modified by multiplexing in a digital information-bearing signal in a manner that binary pulses are encoded upon horizontal synchronizing pulse windows contained within... | 02/17/1987 |
| 4551767 | Stationary-picture transmission system A television signal transmission system with stationary-picture transmission capabilities including the ability to stop picture transmission at any point within a picture frame. The picture stop feature is realized by inserting a control code within each ... | 11/05/1985 |
| 4350999 | Video formatted digital data transmission method and apparatus Transmission of digital information during the course of a television signal transmission is provided by transmitting a predetermined number of color burst cycles during the horizontal blanking interval such that logical bits are represented by different,... | 09/21/1982 |
| 4216492 | Method of treating television picture signals and wide-band data signals by modulating the color carrier signal Wide band measured data signals are recorded synchronously with television signals by time and/or frequency multiplexing techniques. Measured data signals are scanned by a multiplexer, converted to digital form, and temporarily stored. Signals from the st... | 08/05/1980 |
| 4112252 | Multi-terminal serially communicating shared logic text editing system A text editing system is provided in which a central station communicates a video signal, timing signals, and control signal to a remote station by way of a single communication pathway for subsequent display on a cathode ray tube at the remote station an... | 09/05/1978 |
| 4051526 | Television system comprising a video storage device and a television receiver A television system comprising a video tape recorder or the like and a television receiver, in which system the television signal contains an identification signal by which it is distinguished from the television signal received from a transmitter. The te... | 09/27/1977 |
