Abstract: A data transmission system which allows received data to be decoded and reproduced in real time by simple decoding and which allows signal reproduction and recording by highly reliable error-correcting decoding, wherein a transmitter encodes transmission data by an error-correcting code enabling control of the error-correcting characteristic and the real-time characteristic at the receiving side and transmits it through a transmission line and a receiver 2a demodulates the received data by a demodulation circuit 102, decodes it by a simple decoding circuit 104 and simultaneously stores it in a storage circuit 110, demultiplexes the decoded data 105a by a demultiplexing circuit 106, and reproduces it by a reproduction circuit 123 in a form for viewing and listening by a user.

Abstract: A video signal provider multiplexes digital video signals for four channels and provides a signal the bandwidth of which is limited to 6 MHz by RF-modulation. An analog video signal provider provides another signal the bandwidth of which is limited to 6 MHz by RF-modulation. A digital audio signal provider multiplexes digital audio signals for 32 channels and provides another signal the bandwidth of which is limited to 6 MHz by RF-modulation. Such signals are combined and transmitted through a coaxial cable 14 to a controller. In this example, such signal providing apparatus can provide a maximum of 84 channels (=126 MHz (the bandwidth for video signal of the coaxial cable)/6 MHz.times.4 ch), which number is significantly larger than the 20 channels provided in the prior art.

Abstract: A video signal provider multiplexes digital video signals for four channels and provides a signal the bandwidth of which is limited to 6 MHz by RF-modulation. An analog video signal provider provides another signal the bandwidth of which is limited to 6 MHz by RF-modulation. A digital audio signal provider multiplexes digital audio signals for 32 channels and provides another signal the bandwidth of which is limited to 6 MHz by RF-modulation. Such signals are combined and transmitted through a coaxial cable 14 to a controller. In this example, such signal providing apparatus can provide a maximum of 84 channels (=126 MHz (the bandwidth for video signal of the coaxial cable)/6 MHz.times.4 ch), which number is significantly larger than the 20 channels provided in the prior art.

Abstract: A bicycle speed change operation assembly wherein a speed change operation can be performed during a braking operation, and the speed change can be made in an optimum way in response to various running situations.

Abstract: There is disclosed a bicycle speed change operation assembly wherein the speed change operation can be performed during the braking operation, and the speed change can be made in an optimum way in relation to various running situations.

Abstract: With an object of providing a bicycle speed change operation assembly capable of providing an overshifting function only at a speed step requiring thereof as well as generating no unnecessary engaging sound, the following technical means are provided: The bicycle speed change operation assembly includes a retaining member (34) rotatable integrally with a speed change operation member (14), an engaging member (34) engagable with the retaining member for retaining the speed change operation member at a predetermined rotational position, and a regulating member (33b) juxtaposed to one of the retaining member and the engaging member with a predetermined play relative thereto while being engagable with the other of the retaining member and the engaging member for retaining the speed change operation member at a predetermined rotational position.

Abstract: The following technical measure is taken to provide a bicycle speed change system or method wherein a speed change operation can be performed substantially without unhanding a handlebar and without erroneously shifting to a lower or higher speed.Specifically, the bicycle speed change system (1) comprises a front speed shifter (1a), a rear speed shifter (1b), and speed change operation assemblies respectively including cylindrical operation members (4a, 4b) rotatably supported around right and left grip portions (3a, 3b), respectively, of a handlebar (2); each of the shifters being operated by a control cable (T) which is pulled or released by rotating a corresponding one of the cylindrical operation members, wherein each of the cylindrical operation members (4a, 4b) is designed so that rotation thereof in a direction of moving its top surface rearward causes a corresponding one of the shifters (1a, 1b) to shift to a lower speed position.

Abstract: The following technical measure is taken to provide a bicycle speed change system or method wherein a speed change operation can be performed substantially without unhanding a handlebar and without erroneously shifting to a lower or higher speed.Specifically, the bicycle speed change system (1) comprises a front speed shifter (1a), a rear speed shifter (1b), and speed change operation assemblies respectively including cylindrical operation members (4a, 4b) rotatably supported around right and left grip portions (3a, 3b), respectively, of a handlebar (2); each of the shifters being operated by a control cable (T) which is pulled or released by rotating a corresponding one of the cylindrical operation members, wherein each of the cylindrical operation members (4a, 4b) is designed so that rotation thereof in a direction of moving its top surface rearward causes a corresponding one of the shifters (1a, 1b) to shift to a lower speed position.

Abstract: For the purpose of providing a bicycle speed change operation assembly capable of ensuring stable handlebar operation and immediate braking operation as well as remarkably improved riding safety during the speed change operation, the following technical means are provided: A bicycle speed change operation assembly according to the present invention comprises a cylindrical operation member (11) rotatably supported around a grip end portion of a handlebar (3), a speed change operation mechanism (12) provided in proximity of that grip end portion of the handlebar (3) and capable of winding and unwinding a speed control cable, and a transmission mechanism (13) provided between the cylindrical operation member (11) and the speed change operation mechanism (12) for driving this speed change operation mechanism (12) in response to the rotation of the cylindrical operation member (11), wherein the speed change operation mechanism (12) functions to wind or unwind the control cable in response to rotational reciprocati

Abstract: A liquid crystal display with a back light is provided, in which a diffuser (diffusing plate) mounted on a front surface of a casing in which the back light is housed is rendered conductive to thereby reduce the leakage of electromagnetic waves.

Abstract: The present invention provides a bicycle speed change lever assembly comprising a first lever pivotally pressed to wind up a control cable aginst a tension applied thereto, and a second lever pivotally pressed to pivotally return the first lever for paying out the control cable. The lever assembly further comprises an indexing mechanism provided between the first and second levers for holding the first lever at a selected one of stepwise pivotal positions against the cable tension. The indexing mechanism is made to have a skip preventing function for ensuring that the first lever is pivotally returned stepwise.

Abstract: A shift lever assembly for use in a bicycle wherein a wire connected at its one end to a derailleur is wound up or paid out to operate the derailleur. The assembly comprises a lever pivot fixed to the handlebar of the bicycle; a shift lever having a base-end boss portion rotatably supported by one end of the pivot and an arm portion extending from the boss portion; wire winder separate from the lever and rotatably supported by the pivot; a lever-coupled member provided between the boss portion and the winder and supported by the pivot so as to be rotatable with the winder; and a clutch for transmitting the rotation of the shift lever to the lever-coupled member. The shift lever is so biased by a spring as to return to a neutral position for starting rotation toward the wire winding direction and the wire paying-out direction.

Abstract: A bicycle speed change lever assembly according to the present invention comprises a first lever, a second lever and a reversal connecting mechanism. The first lever is pivotally supported by a first pivot shaft and connected to one end of a control cable. The second lever is pivotally supported by a second pivot shaft which is displaced from the first pivot shaft but extends in parallel thereto. The reversal connecting mechanism connects the first lever to the second lever in such a way that when one of the levers is progressively pivoted in one direction, the other lever is progressivley pivoted in the opposite direction.

Abstract: A bicycle speed change lever assembly comprises a fixed support shaft, and a control lever pivotally supported on the support shaft and always subjected to a tension tending to pivot the lever in one direction. The lever has a boss portion housing a click ring formed with an arcuate series of clicking recesses. The click ring is co-rotatable with the lever boss portion. A ball is retained by a non-rotatable retainer disc in facing relation to the recess series. In one operational mode, the lever is given a rotational friction overcoming the tension, while the ball is backed up by a mode selector in a manner such that the ball comes into clicking engagement with the recess series with the capability of slight retreating movement.

Abstract: A passenger vehicle polling system. The system is capable of polling one or more terminal units, where each terminal unit is provided at a different one of a plurality of passenger seats in a passenger vehicle, to obtain information indicative of the state of each terminal unit. The polling is accomplished by transmitting a polling command signal from a head end apparatus through a transmission line to the terminal units. Preferably, a sensor is mounted adjacent each passenger seat to sense the status of the passenger seat. The sensed information is transmitted as a polling answer signal through the transmission line to the head end apparatus so that the status of each passenger seat and the condition of each passenger can be checked from the head end apparatus. Further, a system according to the invention may transmit audio and video programs to the terminal units, and the polling answer signal may indicate which audio or video program has been selected at each terminal unit.

Abstract: A service and entertainment system for transmitting video signals, audio signals and television game software signals from a central transmitting apparatus to each of a plurality of terminal units mounted at respective passenger seats in a passenger vehicle such as aircraft or the like, or at respective seats in a stadium, a theater, or the like. The video signals, audio signals and television game software signals are frequency-multiplexed and then transmitted to the terminal units, so that desired ones of the frequency-multiplexed signals can be selected at each terminal unit.

Abstract: A bicycle speed change lever assembly comprising a fixed support shaft, a lever mount non-rotatably mounted on the support shaft, a control lever having a cylindrical boss portion rotatably mounted on the lever mount, a click ring mounted on the lever mount for co-rotation with the lever and having a plurality of differently patterned arcuate rows of clicking recesses, a non-rotatable retainer disposed on the lever mount in facing relation to the recesses of the click ring and loosely retaining steel balls in corresponding relation to the rows of clicking recesses, and a rotationally operable mode selector disposed in facing relation to a front or outward surface of the retainer and having at least one backup portion for forcing a selected one of the balls into elastic abutment with the click ring, wherein one of the differently patterned arcuate rows of clicking recesses is selected when in use.

Abstract: A bicycle speed change lever assembly comprising a fixed support shaft, a control lever having a boss portion rotatably supported by the shaft, a click ring co-rotatable with the boss portion of the control lever and provided on one side surface thereof with an arcuate row of clicking recesses, a retainer non-rotatably supported by the shaft in facing relation to the one side surface of the click ring and loosely retaining steel balls in corresponding relation to the row of clicking recesses of the click ring, and a mode selector disposed in facing relation to the retainer and having backup portions for forcing the balls into clicking engagement with the row of clicking recesses and shelter recesses for allowing the balls to retreat thereinto.