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Patent # Description
US-4,255,666 Two stage, panel type x-ray image intensifier tube
A panel shaped, proximity type, multi-stage x-ray image intensifier tube for medical x-ray diagnostic use having all linear components and yet a high brightness...
US-4,255,665 Wearable device for monitoring momentary presence of intense X-ray and/or ultra-violet radiations
A credit-card-size clear-plastic-encased device which can be worn or carried by a person to warn him of the momentary presence of dangerous intensitives of...
US-4,255,664 Split filter CT
An improved computer assisted tomographic scanner is disclosed. The scanner includes a source of X-radiation and an array of detectors for determining X-ray...
US-4,255,663 Disposable liquid sterilizer unit
A disposable liquid sterilizer unit incorporates an ultra-violet tube designed to generate radiation at approximately 2537 Angstroms. The unit comprises an...
US-4,255,662 X-ray diagnostic apparatus having operating keys for the organwise programmed setting of exposure data
In an illustrative embodiment, body zone selector keys are associated with a visual representation of the human body. When a body zone key is actuated, the...
US-4,255,661 Electrostatic emission lens
An electrostatic emission lens arrangement for producing a microparticle ge of a surface by means of charged particles emitted from such surface and accelerated...
US-4,255,660 Detectors of penetrating radiation
The invention relates to detectors of penetrating radiation, in particular x-radiation. The detector comprises a photoconductive material to which two electrical...
US-4,255,659 Semiconductor radiation detector
An electrical charge amplifier including a filter circuit is AC coupled to a semiconductor (CdTe) detector and generates a voltage pulse in response to an...
US-4,255,658 Image forming apparatus
The imager comprises an array 4 of detectors, and an array 6 of LEDs each detector being connected to a corresponding LED by a respective signal processing...
US-4,255,657 Diverging plane positioning device
A device for positioning the spinal column of a patient with respect to exposure control devices behind a chest X-ray film sheet has a light source generating a...
US-4,255,656 Apparatus for charged particle spectroscopy
Charged-particle spectroscopy apparatus for the chemical analysis of a sample in which an apertured plate receives charged particles emitted from the sample and...
US-4,255,655 Temperature sensing switch with an optical sensor
A temperature sensing switch is disclosed which has a needle moving in response to the temperature within a translucent case. On the outside of this case are...
US-4,255,654 Method of electrically detecting focal point of cameras or the like optical devices
A method of comparing analog signals delivered from a number of light detecting elements with analog signals delivered from a digital-analog converter by means...
US-4,255,653 Overlay data entry device for automated data systems
A device for entering data into an automated data processing system. The a for entry into the system is prepared and selected on multiple checklists where each...
US-4,255,652 High speed electrically responsive indicia detecting apparatus and method
Apparatus for detecting and providing a signal from detection indicia that is applied to a substrate such as a controlled document for the purpose of determining...
US-4,255,651 Sheet counting method and apparatus
A method of countng a succession of sheets passing along a flow line (the sheets being normally spaced but including some overlapping sheets), comprises...
US-4,255,650 Mechanical counter
A mechanical counting device for use in office machines such as copying machines in which almost all of the operative structure has been integrated into a single...
US-4,255,649 Flexible heating elements
A heating element comprising a plurality of ceramic components strung together on a heating wire to form a flexible structure, adjacent ceramic components...
US-4,255,648 Aquarium heater
An aquarium heater including a housing and a tube depending therefrom. An electric heating element is disposed in the bottom portion of the tube and a...
US-4,255,647 Water tank having electric heating element and cathodic corrosion protection
An anticorrison protected small electric household water heating tank includes a metal tank having a passive anticorrosive layer provided on an inner wall...
US-4,255,646 Electric liquefied petroleum gas vaporizer
A compact, economical electrically heated vaporizer having a fast response time and capable of vaporizing liquified petroleum gas at a rate of ten to forty...
US-4,255,645 Electric cigarette-lighter device
An electrical cigarette-lighter device for mounting on a vehicle dashboard has a fixed hollow body part and a removable elongate candle part normally stowed in...
US-4,255,644 Micro-soldering tool
A tool for micro-soldering the connecting tags of an integrated circuit chip to corresponding terminals on a substrate by Joule heating includes a high...
US-4,255,643 Programmed welding machine with continuously monitored override control
A welding machine includes a programming device to move a welding head relative to horizontal main X and Y axes, and to rotate the head about a vertical C axis....
US-4,255,642 Method and apparatus for tipping off refractory metal tubulation
A method and apparatus for tipping off the refractory metal tubulation of a high pressure sodium discharge lamp arc tube including a machine which repetitively...
US-4,255,641 Method of outside welding of pipelines
The specification discloses a method and apparatus for assuring the integrity of outside weldings of pipelines. Pipe sections are prepared for welding by forming...
US-4,255,640 Door mounted oven controls
A microwave oven having the control panel mounted on the door. The control panel includes a plurality of pushbutton switches for the user to push to control the...
US-4,255,639 Microwave oven with a programmable digital control circuit
A control panel including digital input means is provided in a microwave oven for introducing desired information related to a cooking time period, a cooking...
US-4,255,638 Miniature switch, sealed for soldering, with handle housing exposed
A miniature switch, having a projecting handle housing, is provided with a factory installed environmental sealed cover which stops solder, flux and cleaning...
US-4,255,637 Light regulator switch
A radiating plate of a light regulator switch has a bent engaging member integrally formed at one corner of the back side thereof and a hole bored at another...
US-4,255,636 Circuit breaker with current carrying conductor system utilizing eddy current repulsion
A circuit breaker including first and second spaced-apart stationary contacts and a movable contact operable between open and closed positions with respect to...
US-4,255,635 Keyswitch
A keyswitch includes a tubular plunger with a rectangular body slidably mounted in a rectangular housing that has a bottom wall provided in its top with a...
US-4,255,634 Cam actuated switching device
A switching device comprising a spring pile-up assembly including a plurality of pairs of cantilevered stationary and movable contact springs secured between a...
US-4,255,633 Push-pull switch operator
A push-pull switch operator characterized by separable contacts, a contact operating member, an actuating structure movable longitudinally to move said member, a...
US-4,255,632 Grounding switch for gas-insulated high voltage switchgear
A grounding switch for gas-insulated, metal-enclosed high voltage switchgear in which a movable switch contact, in permanent connection with the grounded...
US-4,255,631 Exterior connected arc runner for arc spinner interrupter
A circuit interrupter is described in which the arc current to be interrupted is rotated in a relatively static sulfur hexafluoride gas. The arc is rotated by a...
US-4,255,630 Multi-circuit electrical switch
An electrical switch assembly is shown as having a housing carrying three electrical terminals with first and second of such terminals respectively terminating...
US-4,255,629 Crash and rollover cutoff switch
A crash-sensing switch assembly for breaking an electrical circuit has a weight pivotally supported on a horizontal surface with the center of gravity above the...
US-4,255,628 Insufficient pressure detector device for motor vehicle tires
An insufficient inflation pressure detecting device for motor vehicle tires, of the type formed by a body which is arranged to be fixed on a tire supporting rim...
US-4,255,627 Electrical switch construction having an adjustable pivoting actuator therefor and method of making the same
An electrical switch construction having a stationary frame carrying an electrical switch provided with different operating conditions and an actuator pivotally...
US-4,255,626 Multiple position switch
An improved four-way switch operated by a single manual push button at the end of a control column includes an axially extending shaft mounted to pivot on a...
US-4,255,625 Call processing monitor system
The present invention is a call processing monitor circuit for dynamically verifying the operation of a telephone switching center. This system provides for...
US-4,255,624 Call processing monitor system
The present invention is a call processing monitor circuit for dynamically verifying the operation of a telephone switching center. This system provides for...
US-4,255,623 Apparatus for pulse train measurement
An incoming pulse train is evaluated for interpulse spacing and pulse repetition rate by first shaping the pulses into a desired configuration in a dial pulse...
US-4,255,622 Emergency dialing aid and marking assembly
A luminous aid for indicating a pre-selected emergency number disposed in proximity to means for indicating the appropriate digits to be used on a telephone dial...
US-4,255,621 Billing interface circuit
A billing interface circuit for controlling the billing of a station of a private branch exchange via a telephone central office. This circuit automatically...
US-4,255,620 Method and apparatus for bandwidth reduction
The bandwidth of human speech signals, 125 to 3000 Hz, is reduced to approximately 125 to 1500 Hz by folding or shifting the high-frequency consonant-band...
US-4,255,619 Telephone reservation-processing system
A telephone reservation-processing system, which comprises: a host computer; a plurality of audio response type computers connected to the host computer through...
US-4,255,618 Digital intercept recorder/announcer system
A digital intercept recorder/announcer system for use in conjunction with a telephone central office. The system performs the function of recorded message...
US-4,255,617 Travelling wave digitizer
A digitizer shifts long and short wavelength square waves across x and y grids in a platen to perform upon a cursor signal time measurements that represent...
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