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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 4140970 | Apparatus for controlling an odometer and speedometer system of a vehicle Apparatus for controlling an odometer and speedometer system of a vehicle, adjustable for vehicle parameter variations, such as tire size and axle ratio, including a transducer for generating a plurality of initial pulses in response to vehicle movement w... | 02/20/1979 |
| 4130755 | CB twenty meter A mile post and mileage indicator for maintaining the exact mile post position of a vehicle while said vehicle is travelling upon a roadway containing designated mile post signs, which increase or decrease in a particular direction. This indicator may als... | 12/19/1978 |
| 4121094 | System for detecting, indicating and regulating the level of semi-solid matter in a reservoir An electronic system for determining, indicating and regulating the level of semi-solid matter, such as sludge, in a fluid medium. The system produces and directs ultrasonic signals toward the matter, and the reflected signals are used to compute signal t... | 10/17/1978 |
| 4109140 | Diver's control and indication apparatus Improved diver's apparatus is disclosed for automatically determining and displaying the depth and duration of a dive, as well as the allowable bottom time remaining for the dive to permit a safe ascent without going through decompression stages. For long... | 08/22/1978 |
| 4109142 | Process data tracking system A tracking system provides a means for tracking two types of data, event data and processing data. Event data include information such as the location of welds and other strip discontinuties in a continuous strip processing line. Event data are tracked in... | 08/22/1978 |
| 4103427 | Electronic digital micrometer An electronic micrometer having an encoding system located inside the micrometer housing for electronically determining and indicating the measurement made by the micrometer. The encoding system produces pulses in response to rotation of the micrometer th... | 08/01/1978 |
| 4086472 | Apparatus for controlling the laying of strip material Apparatus for controlling the laying of strip material such as cables, ropes, hoses or the like, when winding on a drum having a guide for the strip material, the drum and the guide being relatively moveable to each other by means of a spooling drive, and... | 04/25/1978 |
| 4083052 | Electronic tachograph An electronic tachograph for providing a chart recording of the speed of a vehicle and the distance travelled by the vehicle in relation to time includes an input transducer coupled to the vehicle drive to provide distance pulses representing the distance... | 04/04/1978 |
| 4074196 | Speedometer and odometer apparatus A speedometer-odometer apparatus is described comprising an encoding apparatus for generating pulses as a function of the distance a vehicle is moved, a calibrating apparatus and an indicating circuit means for visually indicating the distance and speed o... | 02/14/1978 |
| 4071892 | Bicycle and information-producing assembly carried thereby The combination of a bicycle with an information-producing assembly carried thereby. A structure which is carried by one of the bicycle wheels for rotation therewith turns at each wheel revolution past a second structure which responds to provide a revolu... | 01/31/1978 |
| 4068307 | Mile post location display system This specification discloses a mile post location system particularly useful with a vehicle having a citizens band radio. The system includes a keyboard having switches which are representative of numbered digits, such that the vehicle operator may input ... | 01/10/1978 |
| 4067061 | Monitoring and recording system for vehicles A system is disclosed adapted to be carried on board a vehicle, such as a heavy duty truck operating on an interstate basis, wherein various operational and reference parameters of the vehicle, such as, the State of operation, mileage, fuel consumed, fuel... | 01/03/1978 |
| 4058712 | Acre counter A system for measuring the amount of area traversed by a vehicular implement comprising linear distance measuring means for generating an electrical signal having a characteristic which varies systematically in accordance with the distance traversed by th... | 11/15/1977 |
| 4053749 | Distance meter for vehicle capable of displaying travelling distance to destination A distance meter for vehicles wherein the distance to be travelled from the place of departure to a destination is preset and on the way to the destination the distance travelled since the departure of the vehicle is subtracted from the preset travelling ... | 10/11/1977 |
| 4053755 | Pedometer distance-measuring device An electronic pedometer is constructed by a combination of a calculator of the hand-held type and a weighted balance switch closed in response to the strides taken by the person wearing or carrying the pedometer. The stride-actuated switch is connected in... | 10/11/1977 |
| 4052597 | Constant torque multiple drum counter An auxiliary force-applying mechanism is connected to a counter type altimeter for applying a supplemental force to rotate its counter mechanism at the time a Geneva type mechanism advances a second drum by one indicator position. The force applied to the... | 10/04/1977 |
| 4046998 | Possible vehicle running distance indication Indication of possible vehicle running distance with remnant fuel is accomplished by measuring the fuel amount, the fuel consumption and the running distance and calculating the possible remaining running distance with remnant fuel. The indication is dire... | 09/06/1977 |
| 4045656 | Taximeters Disclosed is a taximeter for calculating a taxi fare based upon predetermined distance and time factors. An oscillator produces a time base pulse train and a transducer produces a distance pulse train. A modifier is controlled by the distance pulse train ... | 08/30/1977 |
| 4044233 | End predictor for cassette tape An end predictor is provided for use with a tape cassette of the type which contains a measured length of tape corresponding to a given number of turns on one of the tape hubs mounted therein when the tape is entirely wound on one of the hubs, exclusive o... | 08/23/1977 |
| 4039805 | Apparatus for calculating the price of measured lengths of material Apparatus for calculating the price of a measured length of material comprising a sensor for detecting the movement in either of two directions of a material having a length to be measured and a price per unit length. The unit price of the material is ent... | 08/02/1977 |
| 4035618 | Monitor for knitting machines A portable monitor unit for knitting machines and particularly suitable for circular knitting machines including a yarn speed sensor pulsing a numeral display counter via a gate, a needle detector controlling the gate via a settable counter, a frequency m... | 07/12/1977 |
| 4031363 | Display apparatus for automotive vehicles Apparatus capable normally of presentation of time in hours and minutes and upon command of other functions, such as miles before service is required and days before service is required. The apparatus includes at least one logic integrated circuit for pro... | 06/21/1977 |
| 4031360 | Electronic read out tape measure A tape measure which indicates by electronic digital display the length of extended tape. The housing of the unit includes a tape mounted on a spring-biased reel, and an electronic digital display unit connected to an electronic calculator. The electronic... | 06/21/1977 |
| 4013944 | Pressure insensitive system for measuring the length of a cable deployed underwater using magnet actuated reed switches A pressure insensitive counter for a towed array deployed underwater provs accurate readings of the deployment of the array from a winch. Several magnets are carried on the side of a fairlead sheeve to actuate associated reed switches as the magnets pass... | 03/22/1977 |
| 4002062 | Average fuel consumption rate measuring system An average fuel consumption rate measuring system wherein the distance traveled by a vehicle per unit fuel consumption is computed and indicated to let the driver know the driving conditions of the vehicle and instruct the driver in economical driving. Na... | 01/11/1977 |
| 4001552 | Method and apparatus for measuring web material wound on a reel Method and apparatus for measuring the number of layers of a web material of known thickness wound on a storage or take-up reel. The method and apparatus are based on the principle that, at a relatively large radius, the loci of layers of a thin web wound... | 01/04/1977 |
| 4000398 | Method and apparatus for analyzing harvester efficiency Kernels of grain or other particulate harvester product, trapped with chaff and other trash being returned to the ground, are caused to drop onto an impact-sensitive transducer which thereupon produces corresponding electric signals which are counted and ... | 12/28/1976 |
| 3983371 | Apparatus and method for determining the proportion of defective wire in a length of moving wire An apparatus and method are disclosed for determining the proportion of defective wire in a length of wire moving along an established path. The apparatus comprises a first detection means for providing a first signal indication of the rate of travel of s... | 09/28/1976 |
| 3982107 | Reversible measuring means A reversible measuring means for measuring material moving past a station in a forward direction while taking into account movement in a reverse direction comprising a main counter for counting in the forward direction and a reversible counter for countin... | 09/21/1976 |
| 3974490 | Paper roll diameter sensing device for use with paper splicing apparatus A paper roll diameter sensing device for use with a paper splicing apparatus is disclosed which gives the output signal when the diameter of an unrolled paper roll is reduced to a predetermined diameter so that the running paper web may be spliced to the ... | 08/10/1976 |
| 3970827 | Electronic taxi fare meter There is provided an electronic taxi fare meter wherein the tariff travel distance and the tariff travel time of a taxi are converted into pulse signals representing digital quantities, and these pulse signals are increased by a premium fare computing cir... | 07/20/1976 |
| 3967054 | Television measuring system and method A television system for dimensional measurement of an object to produce an output analog voltage representative of the dimensional measurement and providing a direct visual readout of the dimensional measurement, which system includes a televising video s... | 06/29/1976 |
| 3961500 | Yarn runner-length controller for knitting machines A yarn runner-length controller for warp beam knitting machines utilizes information of the yarn unwinding rate from a warp beam section and continuously compares this information to a signal related to the desired runner-length of the yarn. This continuo... | 06/08/1976 |
| 3956617 | System for indicating when maximum material speed for a predetermined board length is exceeded in a corrugator cut-off machine A system for limiting maximum material speed for predetermined board length in a corrugator cut-off machine provides an output pulse for each increment of material movement. A divide circuit is connected to the pulse generating means and there are a plura... | 05/11/1976 |
| 3953720 | Electronic taximeter for taxis taking a plurality of passengers on overlapping trips A single taxi is provided with an electronic taximeter which includes fare computing circuitry operative for separately computing the fares of a plurality of passengers whose respective trips overlap. A fare display device is operative for displaying the ... | 04/27/1976 |
| 3953713 | Reel diameter discriminator A web or sheet material supply reel is monitored for minimum diameter in anticipation of a continuously running splice from an exhausted supply reel to a fresh supply reel. The monitoring technique is to combine electrical pulses proportional to the passa... | 04/27/1976 |
| 3947664 | Highly accurate odometer An odometer that employs a pulse generator, the pulses of which correspond to a given increment of linear distance. It has a correction circuit which may be set to either add or subtract a pulse after a predetermined number of pulses have been counted. Th... | 03/30/1976 |
| 3941178 | Apparatus and method for displaying the measurement of a tire The measurement of a tire is displayed during rotation of the tire and buffing thereof by an apparatus and method in which a first train of electrical pulse signals are generated which characterize the rotational speed of the tire, a second train of elect... | 03/02/1976 |
| 3940735 | Device to indicate need to service or inspect a motor vehicle Device for indicating when a vehicle has travelled a predetermined distance, calling for inspection or servicing of some part of the vehicle. An electrochemical indicator integrates a signal indicative of the vehicle speed to provide an output indication.... | 02/24/1976 |
| 3931498 | Cutoff saw Logs which are to be divided into standard length blocks are first measured and their total length is displayed visually on an electronic readout device. Based on this length measurement, an operator selects one of several standard lengths and causes the ... | 01/06/1976 |
