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System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 7265620 | Wide-band high-gain limiting amplifier with parallel resistor-transistor source loads An amplifier has a wide bandwidth and a high gain by using parallel loads. Each load has a load resistor and a load p-channel transistor in parallel. The drain voltages of differential n-channel transistors can be set by the load resistors, while switching current i... | 09/04/2007 |
| 5819104 | Disk array memory system having bus repeater at disk backplane A disk array memory system includes a disk subsystem, a disk director module and a cable connected between the disk subsystem and the disk director module. The disk subsystem includes a disk drive backplane having disk drive connectors interconnected by a... | 10/06/1998 |
| 5790526 | Bi-directional signal transmission system and adapter for such a system A bi-directional signal transmission system comprises a bi-directional signal path with a low-impedance section coupled to a high-impedance section through a signal coupling for transmission of a binary signal in both directions; and adapting means for ad... | 08/04/1998 |
| 5742608 | Device for interfacing between communications media in a home systems network The invention relates to a device for interfacing between at least two communications buses. The device includes a two-way interface for each of the communications buses, a circuit for comparison of messages received by the interfaces, and a circuit for r... | 04/21/1998 |
| 5172393 | Circuit arrangement for channel-specific processing of a multi-channel input signal A circuit arrangement for channel-specific processing of a multi-channel input signal which may consist of two types of encoded signals, a first type wherein all channel signals are encoded by a bit-oriented method (e.g., delta modulation) and a second ty... | 12/15/1992 |
| 5121410 | Method for the transmission of data or commands and device for carrying out said method The method for the transmission of data or commands, in alternating duplex mode between a first port (2) connected to a first of transmission lines, and a second port (3) connected to a second pair of transmission lines, comprises: a step (A) of detection... | 06/09/1992 |
| 5107257 | Bus relay apparatus for multi-data communication processing system A bus relay apparatus includes a counting unit and a switching unit. The counting unit counts polling signals transmitted from a bus controller present in a first group of a plurality of grouped data communication processors. The switching unit switches a... | 04/21/1992 |
| 4956850 | Digital electronic system A bus interconnecting a plurality of digital modules is divided into sections interconnected by buffers so that the loading on the drive circuits of the modules is reduced. Unidirectional buffers can be used where a bus section is connected only to module... | 09/11/1990 |
| 4872183 | Data transmission apparatus with remote repeater A data transmission apparatus including remote repeater lines comprising the first and second remote repeaters, each respectively providing first receiver and driver which receive the one signal of the signals of first and second transmission buses and ou... | 10/03/1989 |
| 4837788 | Repeater for extending local area networks A repeater for local area networks of the MIL-STD-1553B type allows extension of the LAN to remote terminals. The repeater terminates the dual LAN buses and interfaces them with a single remote bus. Normally, the repeater is transparent to all traffic in ... | 06/06/1989 |
| 4726034 | Circuit arrangement for the transmission of binary signals For the extension of busses use is made of special bus driver and receiver circuits which are capable of charging or discharging the higher capacitances of longer bus lines more quickly. However, in such circuit arrangements the direction is reversed by m... | 02/16/1988 |
| 4701935 | One frequency repeater for a digital microwave radio system with cancellation of transmitter-to-receiver interference A digital microwave radio repeater using the same carrier frequency for the transmitter and the receiver carriers for improving the frequency utilization efficiency. The transmitter-to-receiver interference signal is cancelled by producing an estimated-in... | 10/20/1987 |
| 4670886 | Receiver/driver/repeater interface A repeater circuit for repeating data on a communication channel, the repeater circuit having two receiver/driver circuits arranged in repeating fashion and having a control circuit for maintaining the receiver/driver circuits in a listening mode, for swi... | 06/02/1987 |
| 4577327 | Data transmission including a repeater A repeater for a transmission system which can pass signals in either of two directions. Each direction has a signal detection circuit associated with it. Upon detection of the beginning of a signal, the signal detection circuit enables an associated driv... | 03/18/1986 |
| 4556881 | Active, bi-directional bus tap A lossless, bi-directional bus tap for connecting peripheral devices to a common bus. The tap comprises first and second combiner/divider (C/D) networks each having a first input/output (I/O) port which are connected to the two ends of an interruption in ... | 12/03/1985 |
| 4154978 | Self-contained bidirectional amplifying repeater Bidirectional repeater circuits for bus-lines and the like are described which, when in idle condition, are capable of promptly transmitting binary data signals in either direction with amplification to restore wave form. A control signal is derived from ... | 05/15/1979 |
| 4099024 | Communications network repeater A repeater is provided for use in a communications network which includes a plurality of transceivers, the repeater being bidirectional and allowing the interconnection of two segments of the network and also allowing longer communications networks to be ... | 07/04/1978 |
| 4032911 | Signal repeater for power distribution line communication systems A half-duplex communication repeater for use with power distribution lines. The repeater includes two receivers, two signal generators, a single power amplifier, and a control circuit. The control circuit coordinates the operation of the receivers and the... | 06/28/1977 |
| 4012593 | Bidirectional repeater in data transmission system Disclosed is a bidirectional repeater in a data transmission system in which a supervisor is connected to one end of a bidirectional bus having connected thereto a plurality of communication units and the bidirectional bus is extended through the bidirect... | 03/15/1977 |
