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Security system for computer software    
United States Patent4959861   
Link to this pagehttp://www.wikipatents.com/4959861.html
Inventor(s)Howlette; Edward L. (1814 Metzerott Rd., Apt. 13, Adelphi, MD 20783)
AbstractThe disclosure relates to a security system for computer software. A plug-in circuit accompanies each legitimately purchased softward package. The software includes a communication system to decode signals generated by the plug-in circuit. Where the appropriate signal is sensed the program is executed. If the proper code is not sensed the program shuts down.
   














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Drawing from US Patent 4959861
Security system for computer software - US Patent 4959861 Drawing
Security system for computer software
Inventor     Howlette; Edward L. (1814 Metzerott Rd., Apt. 13, Adelphi, MD 20783)
Owner/Assignee    
Patent assignment
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Publication Date     September 25, 1990
Application Number     07/218,385
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     July 13, 1988
US Classification     726/33 235/380 235/382 340/5.74 705/55
Int'l Classification     H04L 009/32
Examiner     Buczinski; Stephen C.
Assistant Examiner     Gregory; Bernarr Earl
Attorney/Law Firm     Reed Smith Shaw & McClay
Address
Parent Case    
Priority Data    
USPTO Field of Search     380/3 380/4 380/5 380/3 380/4 380/5 380/52 380/49 380/50 364/200 364/900 364/246.6 364/7 364/8 364/9 364/10 364/11 364/12 364/13 364/14 364/15 364/16 364/17 364/18 364/19 364/20 364/21 364/22 364/23 364/24 364/25 364/26 364/27 364/28 364/29 364/30 364/31 364/32 364/33 364/34 364/35 364/36 364/37 364/38 364/39 364/40 364/41 364/42 364/43 364/44 364/45 364/46 364/47 364/48 364/49 364/50 364/51 364/52 364/53 364/54 364/55 364/56 364/57 364/58 364/59 364/60 364/61 364/62 364/63 364/64 364/65 364/66 364/67 364/68 364/69 364/70 364/71 364/72 364/73 364/74 364/75 364/76 364/77 364/78 364/79 364/80 364/81 364/82 364/83 364/84 364/85 364/86 364/87 364/88 364/89 364/90 364/91 364/92 364/93 364/94 364/95 364/96 364/97 364/98 364/99 364/100 364/101 364/102 364/103 364/104 364/105 364/106 364/107 364/108 364/109 364/110 364/111 364/112 364/113 364/114 364/115 364/116 364/117 364/118 364/119 364/120 364/121 364/122 364/123 364/124 364/125 364/126 364/127 364/128 364/129 364/130 364/131 364/132 364/133 364/134 364/135 364/136 364/137 364/138 364/139 364/140 364/141 364/142 364/143 364/144 364/145 364/146 364/147 364/148 364/149 364/150 364/151 364/152 364/153 364/154 364/155 364/156 364/157 364/158 364/159 364/160 364/161 364/162 364/163 364/164 364/165 364/166 364/167 364/168 364/169 364/170 364/171 364/172 364/173 364/174 364/175 364/176 364/177 364/178 364/179 364/180 364/181 364/182 364/183 364/184 364/185 364/186 364/187 364/188 364/189 364/190 364/191 364/192 364/193 364/194 364/195 364/196 364/197 364/198 364/199 364/200 364/201 364/202 364/203 364/204 364/205 364/206 364/207 364/208 364/209 364/210 364/211 364/212 364/213 364/214 364/215 364/216 364/217 364/218 364/219 364/220 364/221 364/222 364/223 364/224 364/225 364/226 364/227 364/228 364/229 364/230 364/231 364/232 364/233 364/234 364/235 364/236 364/237 364/238 364/239 364/240 364/241 364/242 364/243 364/244 364/245 364/246.9 364/969 364/969.6 364/7 364/8 364/9 364/10 364/11 364/12 364/13 364/14 364/15 364/16 364/17 364/18 364/19 364/20 364/21 364/22 364/23 364/24 364/25 364/26 364/27 364/28 364/29 364/30 364/31 364/32 364/33 364/34 364/35 364/36 364/37 364/38 364/39 364/40 364/41 364/42 364/43 364/44 364/45 364/46 364/47 364/48 364/49 364/50 364/51 364/52 364/53 364/54 364/55 364/56 364/57 364/58 364/59 364/60 364/61 364/62 364/63 364/64 364/65 364/66 364/67 364/68 364/69 364/70 364/71 364/72 364/73 364/74 364/75 364/76 364/77 364/78 364/79 364/80 364/81 364/82 364/83 364/84 364/85 364/86 364/87 364/88 364/89 364/90 364/91 364/92 364/93 364/94 364/95 364/96 364/97 364/98 364/99 364/100 364/101 364/102 364/103 364/104 364/105 364/106 364/107 364/108 364/109 364/110 364/111 364/112 364/113 364/114 364/115 364/116 364/117 364/118 364/119 364/120 364/121 364/122 364/123 364/124 364/125 364/126 364/127 364/128 364/129 364/130 364/131 364/132 364/133 364/134 364/135 364/136 364/137 364/138 364/139 364/140 364/141 364/142 364/143 364/144 364/145 364/146 364/147 364/148 364/149 364/150 364/151 364/152 364/153 364/154 364/155 364/156 364/157 364/158 364/159 364/160 364/161 364/162 364/163 364/164 364/165 364/166 364/167 364/168 364/169 364/170 364/171 364/172 364/173 364/174 364/175 364/176 364/177 364/178 364/179 364/180 364/181 364/182 364/183 364/184 364/185 364/186 364/187 364/188 364/189 364/190 364/191 364/192 364/193 364/194 364/195 364/196 364/197 364/198 364/199 364/200 364/201 364/202 364/203 364/204 364/205 364/206 364/207 364/208 364/209 364/210 364/211 364/212 364/213 364/214 364/215 364/216 364/217 364/218 364/219 364/220 364/221 364/222 364/223 364/224 364/225 364/226 364/227 364/228 364/229 364/230 364/231 364/232 364/233 364/234 364/235 364/236 364/237 364/238 364/239 364/240 364/241 364/242 364/243 364/244 364/245 364/246.4 364/971.1 340/825.31 340/825.34 235/380 235/382
Patent Tags     security computer software
   
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[0 after 0 votes]		4799258
Davies
713/159
Jan,1989
[0 after 0 votes]
4791565
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726/31
Dec,1988
[0 after 0 votes]		4757534
Matyas
705/56
Jul,1988
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Aug,1987
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Market Size
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> $10B
$5B - $10B
$2B - $5B
$500M - $2B
$100M - $500M
$10M - $100M
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$500K - $1M
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< $100K
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$0
 
$0   $2.5B   $5B   $7.5B   $10B
Market Share
Estimate the percentage of the relevant market sector this invention will capture:
75% - 100%
50% - 74.99%
25% - 49.99%
10 - 24.99%
5 - 9.99%
2 - 4.99%
1 - 1.99%
< 1%
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Reasonable Royalty
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50% - 74.99%
25% - 49.99%
10 - 24.99%
5 - 9.99%
2 - 4.99%
1 - 1.99%
< 1%
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0.0%
 
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