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| Number | Title | Issue Date |
| 4788702 | Orientation of crystals The invention comprises apparatus for determining the orientation of the crystallographic axes of a single crystal. The crystal is rotated on a turntable while an X-ray beam containing characteristic radiation is directed onto it. A stationary position-se... | 11/29/1988 |
| 4788703 | Radiation optical element Diffraction elements for penetrating radiation, such as X-rays and neutrons, are prepared by coating a film of poly-(phenyleneoxadiazole) onto a substrate and graphitizing the poly-(phenyleneoxadiazole) to form a flexible graphite monocrystal on the subst... | 11/29/1988 |
| 4788704 | X-ray scanner & detector signal processing system An X-ray device for scanning objects moving on a conveyor path and for processing the detector signals acquired by the scan has a comparator for identifying faulty signals, the comparator being in a control chain for an image storage memory such that, in ... | 11/29/1988 |
| 4788705 | High-intensity X-ray source A high-intensity X-ray source generates significant heat at the anode. To help dissipate this heat, the anode is often rotated in the vacuum. Heat must still be radiated from the anode to the exterior walls. An improved X-ray source incorporates the anode... | 11/29/1988 |
| 4788706 | Method of measurement of x-ray energy X-ray energy in an x-ray beam is determined from a comparison of apparent absorption of energy by three different materials. Initially, the attenuation coefficients of each of the materials as a function of x-ray energy is determined. The ratios of attenu... | 11/29/1988 |
| 4788707 | Radiation exposure gauge The present invention relates to a gauge for use with x-ray machines to calibrate correct technic values (exposure, kilovoltage, processing conditions, etc.) for x-ray film to yield anatomically correct film densities over the visible density range. The g... | 11/29/1988 |
| 4788708 | Universal headset tester A device for testing performance of telephone headsets. The device performs reception, transmission, reception distortion, transmission distortion, reception limiting, and current consumption testing, as well as allowing these same tests with reverse pola... | 11/29/1988 |
| 4788709 | Facsimile communication terminal with memo pattern memory A communication terminal apparatus such as a facsimile apparatus used together with a telephone set has a recording device to record data which is received through a telephone line on a recording paper; a memory to store a pattern; an indicating device to... | 11/29/1988 |
| 4788710 | Telephone line selection and isolation method and apparatus Method and apparatus for selecting a single telephone line from among multiple line pairs at a location remote from the central office and isolating that line from the respective subscriber line to allow the performance of line tests on same. Line pairs a... | 11/29/1988 |
| 4788711 | Apparatus and method for a cellular freeway emergency telephone service A self-contained cellular emergency roadside call box is disclosed without the use of external telephone lines. The call box is solar powered with battery storage and comprises a controller coupled to a cellular transceiver. The controller is also coupled... | 11/29/1988 |
| 4788712 | Howler indicator in cordless telephone system In a howler indicator of a cordless telephone system, a howler signal is detected by a howler signal detecting means provided in the master device, the mobile device is informed of the detection of the howler signal by a predetermined command signal trans... | 11/29/1988 |
| 4788713 | One button control system for telephone answering device At least two operation buttons are arranged to set one of a plurality of operation modes of a recording/reproducing apparatus. When each operation button operated a plurality of times within a predetermined period of time is detected by a microprocessor, ... | 11/29/1988 |
| 4788714 | Remote controlling telephone unit for selectively activating one of a plurality of devices A remote control unit controls at least one additional device such as a facsimile system through a telephone answering device. The telephone answering device is engaged with telephone lines upon reception of a ringing signal, and an outgoing message and a... | 11/29/1988 |
| 4788715 | Announcing waiting times in queuing systems In an automatic call distributor system, calls waiting in a queue to receive attendant service are informed of the expected waiting time prior to connection to an attendant. This permits callers to defer a call if the queue is excessively long and they ca... | 11/29/1988 |
| 4788716 | Public opinion polling system A method of conducting a public opinion poll by means of a telephone loop network comprises selecting such a network whose customers are representative of a universe of interest in the subject matter of the poll and soliciting by means of a mass communica... | 11/29/1988 |
| 4788717 | Telephone line interface option module 36 Telephone interface option module circuit for interfacing an electronic device to a telephone network. Most electronic devices, for example, modems, telephone message systems and text-to-speech systems, when coupled to a telephone network must conform ... | 11/29/1988 |
| 4788718 | Call data collection and modification of received call distribution An arrangement and method for compiling telecommunication traffic analysis data includes the steps of collecting call data for a plurality of calls to a single customer from a signaling circuit that commonly carries the signaling for calls to a plurality ... | 11/29/1988 |
| 4788719 | Telephone call charge allocation arrangement A call charge allocation arrangement is implemented for a business communication system to track those situations in which a toll call is transferred from a first station to a second station. The arrangement tracks such transfers by establishing a first c... | 11/29/1988 |
| 4788720 | Programmable subscriber set A subscriber set for connection via tip and ring leads to a remote communication system such as a PABX or centrex. The remote communication system is capable of implementing a plurality of special features such as hold, call transfer, call forward, etc. T... | 11/29/1988 |
| 4788721 | Routing of network traffic A process is disclosed for routing service requests through a network comprising nodes interconnected with links. The network is also arranged so that each node may communicate with each of the other nodes. At preselected time intervals, sets of routes th... | 11/29/1988 |
