Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7123692 | Craft menu system using caller ID functionality for installation and testing A craft menu system, in a presently preferred embodiment, includes a network terminal like an ONT, having a processor and memory and multiple data ports, configurably coupled to a DTMF telephony (e.g., BUTT) test set for installation and testing. The installation, r... | 10/17/2006 |
| 6947943 | System for development, management and operation of distributed clients and servers A lightweight application server for use on portable or embedded devices includes an application manager and services containers. Each of these is managed by an admin server allowing for remote and rapid deployment and maintenance of applications, objects and featur... | 09/20/2005 |
| 5768291 | Method and apparatus for error mitigating a received communication signal A method and apparatus for mitigating error in a received communications signal includes an error mitigation unit (245) which receives and performs mitigation based on an error indication (e.g., a CRC) and a quality indication (QI). The error mitigation u... | 06/16/1998 |
| 5710998 | Method and apparatus for improved zero intermediate frequency receiver latency A transceiver (10) in a first embodiment includes a zero intermediate frequency (ZIF) receiver (11), which achieves high throughput operation by reducing receiver latency time due to receiver response within a receiver pass band to carrier spectral compon... | 01/20/1998 |
| 5705955 | Frequency locked-loop using a microcontroller as a comparator A frequency-locked loop (100) employs a controllable oscillator (102) for generating an output signal having a frequency, optional sampler (104), coupled to oscillator (102), for sampling the frequency of the output signal, a divider (106), coupled to opt... | 01/06/1998 |
| 5652541 | Data demodulator employing decision feedback for reference parameter recovery and method used therin A data demodulator operating to recover symbols from a data signal including, an estimator, coupled to the data signal, for estimating a reference parameter, and a decision function that is responsive to the reference parameter and the data signal, for se... | 07/29/1997 |
| 5648717 | Battery charge gauge with current integrator and method for guaging battery charge A method for gauging battery charge in which current flowing from a battery (11) is integrated (25) and a charge counter counts charge. Voltage (Vb) across the battery is measured (16) and compared (26) with a voltage threshold (28). The counter (27) is r... | 07/15/1997 |
| 5642354 | Enhanced access burst in a wireless communication system A method for improved data communications in a wireless system is described. An enhanced access burst is provided having an additional logical information field, or alternately using one of a set of possible synch sequences indicative of supplementary inf... | 06/24/1997 |
| 5621363 | Modem having an electromagnetic shield for a controller An electromagnetic shield providing for input/output signal paths includes: a carrier 101 having a shielding surface 103 that has electromagnetic shielding properties; a plurality of signal paths 107 mechanically coupled to the carrier 101; a plurality of... | 04/15/1997 |
| 5583468 | High frequency transition from a microstrip transmission line to an MMIC coplanar waveguide A high frequency transition (10) from a microstrip transmission line (57) to an MMIC coplanar waveguide (41) is provided. The microstrip transmission line (57) is representative of that typically encountered in a high frequency RF module on a first substr... | 12/10/1996 |
| 5548598 | In a data communications systems a method of forward error correction An improved method of forward error correction in a data communications system that includes receiving a data frame that includes a filler symbol, detecting an error in the data frame, replacing the filler symbol with a predetermined symbol, and determini... | 08/20/1996 |
| 5532708 | Single compact dual mode antenna A printed circuit board antenna is provided which includes an electronic switch (38) whereby a single compact radiating structure consisting of a split dipole antenna (10) with associated balun structure (11) may be selectively driven in either of two mod... | 07/02/1996 |
| 5532643 | Manufacturably improved asymmetric stripline enhanced aperture coupler A manufacturably improved asymmetric stripline enhanced aperture coupler (10) is provided including a first non-transverse electromagnetic (non-TEM) field which couples an asymmetric stripline transmission line (22) to a coupling conductor (19) through a ... | 07/02/1996 |
| 5467382 | Method and apparatus for clone detection in a communication system A system for clone detection within a communication system includes a message generator for generating a message to a subscriber having a first identifier and forwarding the message for transmission over plural communications channels, a memory for receiv... | 11/14/1995 |
| 5444418 | Method and apparatus for feedforward power amplifying A feedforward distortion minimization circuit includes a first loop with an input splitter and first and second signal paths, each signal path having an amplifier. An output combiner couples the two signal paths and has an output signal path and an output... | 08/22/1995 |
| 5428504 | Cooling cover for RF power devices A cooling cover for an RF power amplifier device having a mounting support, a first lead, and a heat generating die mounted on the first lead. The cooling cover is comprised of a body of a thermally conductive material and having a first surface and a sec... | 06/27/1995 |
| 5418813 | Method and apparatus for creating a composite waveform A method and apparatus is provided for creating a composite waveform. This composite waveform is created by coding a plurality of input digital information signals. Subsequently, the plurality of coded input digital information signals are communicated ov... | 05/23/1995 |
| 5414378 | Method of detecting voltage transients A method and apparatus is provided for resetting an electronic device in response to a voltage transient. The apparatus implements the method steps of detecting the transient at an input to, and receiving an output from, a voltage sensing circuit in respo... | 05/09/1995 |
| 5383202 | Simplified method of attenuation of logarithmically coded digital signals A method is provided of attenuating a signal value within erroneous frames of a logarithmically coded digital signal. The method includes the steps of detecting an erroneous frame of the logarithmically coded digital signal and adding an attenuation value... | 01/17/1995 |
